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{"id":4843340169294,"title":"Comp Cams 11-679-5 BBC Xtreme Energy Mechanical Flat Tappet Camshaft XS290S","handle":"com11-679-5","description":"\u003cp style=\"mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal;\" class=\"MsoNormal\"\u003e\u003cspan style=\"color: #000000;\"\u003e\u003cspan style=\"font-size: 12pt; font-family: 'Times New Roman', serif;\"\u003eThis Comp Cams 11-679-5 BBC XS290S Xtreme Energy Mechanical Flat Tappet Camshaft fits 396-454 cubic inch Mark IV Big Block Chevy engines from 1967-1996. Comp designed this cam for pro street\/bracket racing, and it features strong mid-range torque \u0026amp; horsepower and has a rough idle. A 9.0:1+ compression ratio, good intake, headers, gears and a 3200+ stall speed torque converter are highly recommended. \u003c\/span\u003e\u003cspan style=\"font-size: 13.5pt; font-family: 'Segoe UI', sans-serif;\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 style=\"mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal;\" class=\"MsoNormal\"\u003e\u003cspan style=\"color: #000000;\"\u003e \u003cb\u003e\u003cu\u003e\u003cspan style=\"font-size: 12pt; font-family: 'Times New Roman', serif;\"\u003eComp Cams 11-679-5 BBC XS290S Xtreme Energy Mechanical Flat Tappet Camshaft Specs:\u003c\/span\u003e\u003c\/u\u003e\u003c\/b\u003e\u003cspan style=\"font-size: 13.5pt; font-family: 'Segoe UI', sans-serif;\"\u003e\u003c\/span\u003e \u003c\/span\u003e\u003c\/h3\u003e\n\u003cul type=\"disc\"\u003e\n\u003cli style=\"color: black; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal; mso-list: l0 level1 lfo1; tab-stops: list .5in;\" class=\"MsoNormal\"\u003e\u003cspan style=\"color: #000000;\"\u003e \u003cspan style=\"font-size: 12.0pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 'Times New Roman';\"\u003eFor Big Block Chevy 396-454 engines from 1967-1996\u003c\/span\u003e\u003cspan style=\"font-size: 13.5pt; font-family: 'Segoe UI',sans-serif; mso-fareast-font-family: 'Times New Roman';\"\u003e\u003c\/span\u003e \u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: black; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal; mso-list: l0 level1 lfo1; tab-stops: list .5in;\" class=\"MsoNormal\"\u003e\u003cspan style=\"color: #000000;\"\u003e \u003cspan style=\"font-size: 12.0pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 'Times New Roman';\"\u003eBasic RPM Range: 2800 to 7200\u003c\/span\u003e\u003cspan style=\"font-size: 13.5pt; font-family: 'Segoe UI',sans-serif; mso-fareast-font-family: 'Times New Roman';\"\u003e\u003c\/span\u003e \u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: black; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal; mso-list: l0 level1 lfo1; tab-stops: list .5in;\" class=\"MsoNormal\"\u003e\u003cspan style=\"color: #000000;\"\u003e \u003cspan style=\"font-size: 12.0pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 'Times New Roman';\"\u003eValve Lift Intake: .598\u003c\/span\u003e\u003cspan style=\"font-size: 13.5pt; font-family: 'Segoe UI',sans-serif; mso-fareast-font-family: 'Times New Roman';\"\u003e\u003c\/span\u003e \u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: black; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal; mso-list: l0 level1 lfo1; tab-stops: list .5in;\" class=\"MsoNormal\"\u003e\u003cspan style=\"color: #000000;\"\u003e \u003cspan style=\"font-size: 12.0pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 'Times New Roman';\"\u003eValve Lift Exhaust: .598\u003c\/span\u003e\u003cspan style=\"font-size: 13.5pt; font-family: 'Segoe UI',sans-serif; mso-fareast-font-family: 'Times New Roman';\"\u003e\u003c\/span\u003e \u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: black; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal; mso-list: l0 level1 lfo1; tab-stops: list .5in;\" class=\"MsoNormal\"\u003e\u003cspan style=\"color: #000000;\"\u003e \u003cspan style=\"font-size: 12.0pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 'Times New Roman';\"\u003eIntake Duration: 290\u003c\/span\u003e\u003cspan style=\"font-size: 13.5pt; font-family: 'Segoe UI',sans-serif; mso-fareast-font-family: 'Times New Roman';\"\u003e\u003c\/span\u003e \u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: black; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal; mso-list: l0 level1 lfo1; tab-stops: list .5in;\" class=\"MsoNormal\"\u003e\u003cspan style=\"color: #000000;\"\u003e \u003cspan style=\"font-size: 12.0pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 'Times New Roman';\"\u003eExhaust Duration: 298\u003c\/span\u003e\u003cspan style=\"font-size: 13.5pt; font-family: 'Segoe UI',sans-serif; mso-fareast-font-family: 'Times New Roman';\"\u003e\u003c\/span\u003e \u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: black; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal; mso-list: l0 level1 lfo1; tab-stops: list .5in;\" class=\"MsoNormal\"\u003e\u003cspan style=\"color: #000000;\"\u003e \u003cspan style=\"font-size: 12.0pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 'Times New Roman';\"\u003eIntake Duration at .050”: 252\u003c\/span\u003e\u003cspan style=\"font-size: 13.5pt; font-family: 'Segoe UI',sans-serif; mso-fareast-font-family: 'Times New Roman';\"\u003e\u003c\/span\u003e \u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: black; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal; mso-list: l0 level1 lfo1; tab-stops: list .5in;\" class=\"MsoNormal\"\u003e\u003cspan style=\"color: #000000;\"\u003e \u003cspan style=\"font-size: 12.0pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 'Times New Roman';\"\u003eExhaust Duration at .050”: 260\u003c\/span\u003e\u003cspan style=\"font-size: 13.5pt; font-family: 'Segoe UI',sans-serif; mso-fareast-font-family: 'Times New Roman';\"\u003e\u003c\/span\u003e \u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: black; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal; mso-list: l0 level1 lfo1; tab-stops: list .5in;\" class=\"MsoNormal\"\u003e\u003cspan style=\"color: #000000;\"\u003e \u003cspan style=\"font-size: 12.0pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 'Times New Roman';\"\u003eLobe Separation: 110\u003c\/span\u003e\u003cspan style=\"font-size: 13.5pt; font-family: 'Segoe UI',sans-serif; mso-fareast-font-family: 'Times New Roman';\"\u003e\u003c\/span\u003e \u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: black; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal; mso-list: l0 level1 lfo1; tab-stops: list .5in;\" class=\"MsoNormal\"\u003e\u003cspan style=\"color: #000000;\"\u003e \u003cspan style=\"font-size: 12.0pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 'Times New Roman';\"\u003eIntake Centerline: 106\u003c\/span\u003e\u003cspan style=\"font-size: 13.5pt; font-family: 'Segoe UI',sans-serif; mso-fareast-font-family: 'Times New Roman';\"\u003e\u003c\/span\u003e \u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: black; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal; mso-list: l0 level1 lfo1; tab-stops: list .5in;\" class=\"MsoNormal\"\u003e\u003cspan style=\"color: #000000;\"\u003e \u003cspan style=\"font-size: 12.0pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 'Times New Roman';\"\u003eFiring Order: 1-8-4-3-6-5-7-2\u003c\/span\u003e\u003cspan style=\"font-size: 13.5pt; font-family: 'Segoe UI',sans-serif; mso-fareast-font-family: 'Times New Roman';\"\u003e\u003c\/span\u003e \u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: black; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal; mso-list: l0 level1 lfo1; tab-stops: list .5in;\" class=\"MsoNormal\"\u003e\u003cspan style=\"color: #000000;\"\u003e \u003cspan style=\"font-size: 12.0pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 'Times New Roman';\"\u003eMade in the USA\u003c\/span\u003e\u003cspan style=\"font-size: 13.5pt; font-family: 'Segoe UI',sans-serif; mso-fareast-font-family: 'Times New Roman';\"\u003e\u003c\/span\u003e \u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal;\" class=\"MsoNormal\"\u003e\u003cspan style=\"color: #000000;\"\u003e\u003cb\u003e\u003cu\u003e\u003cspan style=\"font-size: 12pt; font-family: 'Times New Roman', serif;\"\u003eNote:\u003c\/span\u003e\u003c\/u\u003e\u003c\/b\u003e\u003cspan style=\"font-size: 12pt; font-family: 'Times New Roman', serif;\"\u003e Stock (O.E.) valve springs can NOT be used\u003c\/span\u003e\u003cspan style=\"font-size: 13.5pt; font-family: 'Segoe UI', sans-serif;\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal;\" class=\"MsoNormal\"\u003e\u003cspan style=\"color: #000000;\"\u003e\u003cspan style=\"font-size: 12pt; font-family: 'Times New Roman', serif;\"\u003eComp Cams designed their Mechanical Flat Tappet camshafts for high performance on the street and drag strip. \u003c\/span\u003e\u003cspan style=\"font-size: 13.5pt; font-family: 'Segoe UI', sans-serif;\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal;\" class=\"MsoNormal\"\u003e\u003cspan style=\"font-size: 12pt; font-family: 'Times New Roman', serif; color: #000000;\"\u003eComp Cams – The Absolute Leader In Valve Train Technology!\u003c\/span\u003e\u003c\/p\u003e","published_at":"2025-10-06T15:46:46-05:00","created_at":"2020-10-03T14:45:23-05:00","vendor":"COMP CAMS","type":"Camshafts","tags":["Advertised Duration: 290 int.\/298 exh.","Advertised Exhaust Duration: 298","Advertised Intake Duration: 290","Basic Operating RPM Range: 2800-7200","Cam Style: Mechanical flat tappet","Computer-Controlled Compatible: No","Duration at 050 inch Lift: 252 int.\/260 exh.","Engine Size and Year: 396-502 (1967-96)","Exhaust Valve Lash: 0.016 in.","Exhaust Valve Lift with Factory Rocker Arm Ratio: 0.598 in.","Grind Number: CB XS290S-10","Intake Duration at 050 inch Lift: 252 Exhaust Duration at 050 inch Lift: 260","Intake Valve Lash: 0.016 in.","Intake Valve Lift with Factory Rocker Arm Ratio: 0.598 in.","Lobe Separation (degrees): 110","Make: Chevy","Quantity: Sold individually.","Valve Lift with Factory Rocker Arm Ratio: 0.598 int.\/0.598 exh.","Valve Springs Required: Yes"],"price":34195,"price_min":34195,"price_max":34195,"available":false,"price_varies":false,"compare_at_price":null,"compare_at_price_min":0,"compare_at_price_max":0,"compare_at_price_varies":false,"variants":[{"id":32651346575438,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"COM11-679-5","requires_shipping":true,"taxable":true,"featured_image":null,"available":false,"name":"Comp Cams 11-679-5 BBC Xtreme Energy Mechanical Flat Tappet Camshaft XS290S","public_title":null,"options":["Default Title"],"price":34195,"weight":4540,"compare_at_price":null,"inventory_management":"shopify","barcode":"036584082347","requires_selling_plan":false,"selling_plan_allocations":[],"quantity_rule":{"min":1,"max":null,"increment":1}}],"images":["\/\/www.winnerscircle.com\/cdn\/shop\/products\/COM11-679-5_3b20cdd2-087d-4210-97be-17d4522d52b8.jpg?v=1601759353"],"featured_image":"\/\/www.winnerscircle.com\/cdn\/shop\/products\/COM11-679-5_3b20cdd2-087d-4210-97be-17d4522d52b8.jpg?v=1601759353","options":["Title"],"media":[{"alt":"Comp Cams 11-679-5 BBC XS290S Xtreme Energy Mechanical Flat Tappet Camshaft, 67-96 Big Block Chevy 396-454, 2800-7200 RPM, .598\/.598 Lift, 252\/260 Duration @ .050\"","id":7987066437710,"position":1,"preview_image":{"aspect_ratio":1.776,"height":563,"width":1000,"src":"\/\/www.winnerscircle.com\/cdn\/shop\/products\/COM11-679-5_3b20cdd2-087d-4210-97be-17d4522d52b8.jpg?v=1601759353"},"aspect_ratio":1.776,"height":563,"media_type":"image","src":"\/\/www.winnerscircle.com\/cdn\/shop\/products\/COM11-679-5_3b20cdd2-087d-4210-97be-17d4522d52b8.jpg?v=1601759353","width":1000}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003cp style=\"mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal;\" class=\"MsoNormal\"\u003e\u003cspan style=\"color: #000000;\"\u003e\u003cspan style=\"font-size: 12pt; font-family: 'Times New Roman', serif;\"\u003eThis Comp Cams 11-679-5 BBC XS290S Xtreme Energy Mechanical Flat Tappet Camshaft fits 396-454 cubic inch Mark IV Big Block Chevy engines from 1967-1996. Comp designed this cam for pro street\/bracket racing, and it features strong mid-range torque \u0026amp; horsepower and has a rough idle. A 9.0:1+ compression ratio, good intake, headers, gears and a 3200+ stall speed torque converter are highly recommended. \u003c\/span\u003e\u003cspan style=\"font-size: 13.5pt; font-family: 'Segoe UI', sans-serif;\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 style=\"mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal;\" class=\"MsoNormal\"\u003e\u003cspan style=\"color: #000000;\"\u003e \u003cb\u003e\u003cu\u003e\u003cspan style=\"font-size: 12pt; font-family: 'Times New Roman', serif;\"\u003eComp Cams 11-679-5 BBC XS290S Xtreme Energy Mechanical Flat Tappet Camshaft Specs:\u003c\/span\u003e\u003c\/u\u003e\u003c\/b\u003e\u003cspan style=\"font-size: 13.5pt; font-family: 'Segoe UI', sans-serif;\"\u003e\u003c\/span\u003e \u003c\/span\u003e\u003c\/h3\u003e\n\u003cul type=\"disc\"\u003e\n\u003cli style=\"color: black; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal; mso-list: l0 level1 lfo1; tab-stops: list .5in;\" class=\"MsoNormal\"\u003e\u003cspan style=\"color: #000000;\"\u003e \u003cspan style=\"font-size: 12.0pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 'Times New Roman';\"\u003eFor Big Block Chevy 396-454 engines from 1967-1996\u003c\/span\u003e\u003cspan style=\"font-size: 13.5pt; font-family: 'Segoe UI',sans-serif; mso-fareast-font-family: 'Times New Roman';\"\u003e\u003c\/span\u003e \u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: black; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal; mso-list: l0 level1 lfo1; tab-stops: list .5in;\" class=\"MsoNormal\"\u003e\u003cspan style=\"color: #000000;\"\u003e \u003cspan style=\"font-size: 12.0pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 'Times New Roman';\"\u003eBasic RPM Range: 2800 to 7200\u003c\/span\u003e\u003cspan style=\"font-size: 13.5pt; font-family: 'Segoe UI',sans-serif; mso-fareast-font-family: 'Times New Roman';\"\u003e\u003c\/span\u003e \u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: black; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal; mso-list: l0 level1 lfo1; tab-stops: list .5in;\" class=\"MsoNormal\"\u003e\u003cspan style=\"color: #000000;\"\u003e \u003cspan style=\"font-size: 12.0pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 'Times New Roman';\"\u003eValve Lift Intake: .598\u003c\/span\u003e\u003cspan style=\"font-size: 13.5pt; font-family: 'Segoe UI',sans-serif; mso-fareast-font-family: 'Times New Roman';\"\u003e\u003c\/span\u003e \u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: black; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal; mso-list: l0 level1 lfo1; tab-stops: list .5in;\" class=\"MsoNormal\"\u003e\u003cspan style=\"color: #000000;\"\u003e \u003cspan style=\"font-size: 12.0pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 'Times New Roman';\"\u003eValve Lift Exhaust: .598\u003c\/span\u003e\u003cspan style=\"font-size: 13.5pt; font-family: 'Segoe UI',sans-serif; mso-fareast-font-family: 'Times New Roman';\"\u003e\u003c\/span\u003e \u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: black; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal; mso-list: l0 level1 lfo1; tab-stops: list .5in;\" class=\"MsoNormal\"\u003e\u003cspan style=\"color: #000000;\"\u003e \u003cspan style=\"font-size: 12.0pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 'Times New Roman';\"\u003eIntake Duration: 290\u003c\/span\u003e\u003cspan style=\"font-size: 13.5pt; font-family: 'Segoe UI',sans-serif; mso-fareast-font-family: 'Times New Roman';\"\u003e\u003c\/span\u003e \u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: black; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal; mso-list: l0 level1 lfo1; tab-stops: list .5in;\" class=\"MsoNormal\"\u003e\u003cspan style=\"color: #000000;\"\u003e \u003cspan style=\"font-size: 12.0pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 'Times New Roman';\"\u003eExhaust Duration: 298\u003c\/span\u003e\u003cspan style=\"font-size: 13.5pt; font-family: 'Segoe UI',sans-serif; mso-fareast-font-family: 'Times New Roman';\"\u003e\u003c\/span\u003e \u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: black; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal; mso-list: l0 level1 lfo1; tab-stops: list .5in;\" class=\"MsoNormal\"\u003e\u003cspan style=\"color: #000000;\"\u003e \u003cspan style=\"font-size: 12.0pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 'Times New Roman';\"\u003eIntake Duration at .050”: 252\u003c\/span\u003e\u003cspan style=\"font-size: 13.5pt; font-family: 'Segoe UI',sans-serif; mso-fareast-font-family: 'Times New Roman';\"\u003e\u003c\/span\u003e \u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: black; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal; mso-list: l0 level1 lfo1; tab-stops: list .5in;\" class=\"MsoNormal\"\u003e\u003cspan style=\"color: #000000;\"\u003e \u003cspan style=\"font-size: 12.0pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 'Times New Roman';\"\u003eExhaust Duration at .050”: 260\u003c\/span\u003e\u003cspan style=\"font-size: 13.5pt; font-family: 'Segoe UI',sans-serif; mso-fareast-font-family: 'Times New Roman';\"\u003e\u003c\/span\u003e \u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: black; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal; mso-list: l0 level1 lfo1; tab-stops: list .5in;\" class=\"MsoNormal\"\u003e\u003cspan style=\"color: #000000;\"\u003e \u003cspan style=\"font-size: 12.0pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 'Times New Roman';\"\u003eLobe Separation: 110\u003c\/span\u003e\u003cspan style=\"font-size: 13.5pt; font-family: 'Segoe UI',sans-serif; mso-fareast-font-family: 'Times New Roman';\"\u003e\u003c\/span\u003e \u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: black; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal; mso-list: l0 level1 lfo1; tab-stops: list .5in;\" class=\"MsoNormal\"\u003e\u003cspan style=\"color: #000000;\"\u003e \u003cspan style=\"font-size: 12.0pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 'Times New Roman';\"\u003eIntake Centerline: 106\u003c\/span\u003e\u003cspan style=\"font-size: 13.5pt; font-family: 'Segoe UI',sans-serif; mso-fareast-font-family: 'Times New Roman';\"\u003e\u003c\/span\u003e \u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: black; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal; mso-list: l0 level1 lfo1; tab-stops: list .5in;\" class=\"MsoNormal\"\u003e\u003cspan style=\"color: #000000;\"\u003e \u003cspan style=\"font-size: 12.0pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 'Times New Roman';\"\u003eFiring Order: 1-8-4-3-6-5-7-2\u003c\/span\u003e\u003cspan style=\"font-size: 13.5pt; font-family: 'Segoe UI',sans-serif; mso-fareast-font-family: 'Times New Roman';\"\u003e\u003c\/span\u003e \u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: black; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal; mso-list: l0 level1 lfo1; tab-stops: list .5in;\" class=\"MsoNormal\"\u003e\u003cspan style=\"color: #000000;\"\u003e \u003cspan style=\"font-size: 12.0pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 'Times New Roman';\"\u003eMade in the USA\u003c\/span\u003e\u003cspan style=\"font-size: 13.5pt; font-family: 'Segoe UI',sans-serif; mso-fareast-font-family: 'Times New Roman';\"\u003e\u003c\/span\u003e \u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal;\" class=\"MsoNormal\"\u003e\u003cspan style=\"color: #000000;\"\u003e\u003cb\u003e\u003cu\u003e\u003cspan style=\"font-size: 12pt; font-family: 'Times New Roman', serif;\"\u003eNote:\u003c\/span\u003e\u003c\/u\u003e\u003c\/b\u003e\u003cspan style=\"font-size: 12pt; font-family: 'Times New Roman', serif;\"\u003e Stock (O.E.) valve springs can NOT be used\u003c\/span\u003e\u003cspan style=\"font-size: 13.5pt; font-family: 'Segoe UI', sans-serif;\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal;\" class=\"MsoNormal\"\u003e\u003cspan style=\"color: #000000;\"\u003e\u003cspan style=\"font-size: 12pt; font-family: 'Times New Roman', serif;\"\u003eComp Cams designed their Mechanical Flat Tappet camshafts for high performance on the street and drag strip. \u003c\/span\u003e\u003cspan style=\"font-size: 13.5pt; font-family: 'Segoe UI', sans-serif;\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal;\" class=\"MsoNormal\"\u003e\u003cspan style=\"font-size: 12pt; font-family: 'Times New Roman', serif; color: #000000;\"\u003eComp Cams – The Absolute Leader In Valve Train Technology!\u003c\/span\u003e\u003c\/p\u003e"}

Comp Cams 11-679-5 BBC Xtreme Energy Mechanical Flat Tappet Camshaft XS290S

Product Description
$341.95
Maximum quantity available reached.

This Comp Cams 11-679-5 BBC XS290S Xtreme Energy Mechanical Flat Tappet Camshaft fits 396-454 cubic inch Mark IV Big Block Chevy engines from 1967-1996. Comp designed this cam for pro street/bracket racing, and it features strong mid-range torque & horsepower and has a rough idle. A 9.0:1+ compression ratio, good intake, headers, gears and a 3200+ stall speed torque converter are highly recommended.

Comp Cams 11-679-5 BBC XS290S Xtreme Energy Mechanical Flat Tappet Camshaft Specs:

  • For Big Block Chevy 396-454 engines from 1967-1996
  • Basic RPM Range: 2800 to 7200
  • Valve Lift Intake: .598
  • Valve Lift Exhaust: .598
  • Intake Duration: 290
  • Exhaust Duration: 298
  • Intake Duration at .050”: 252
  • Exhaust Duration at .050”: 260
  • Lobe Separation: 110
  • Intake Centerline: 106
  • Firing Order: 1-8-4-3-6-5-7-2
  • Made in the USA

Note: Stock (O.E.) valve springs can NOT be used

Comp Cams designed their Mechanical Flat Tappet camshafts for high performance on the street and drag strip.

Comp Cams – The Absolute Leader In Valve Train Technology!

Sku: COM11-679-5
Vendor: COMP CAMS