{"id":4843339022414,"title":"Comp Cams 11-600-8 BBC Thumpr Retro-Fit Hydraulic Roller Camshaft 283THR7","handle":"com11-600-8","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 11-600-8 BBC Thumpr Retro-Fit Hydraulic Roller Camshaft fits the 396-454 Big Block Chevy from 1967-1996. Comp designed this cam for high performance street use, and it features great low-end torque and a choppy\/thumping idle. A 9.0:1 or higher compression ratio and a 2300+ 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 11-600-8 BBC Thumpr Retro-Fit Hydraulic Roller 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=\"font-size: 12pt; font-family: 'Times New Roman', serif; color: #000000;\"\u003eFor 396-454 cubic inch Big Block Chevy engines from 1967-1996\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=\"font-size: 12pt; font-family: 'Times New Roman', serif; color: #000000;\"\u003eRequires thrust button \u0026amp; wear plate\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=\"font-size: 12pt; font-family: 'Times New Roman', serif; color: #000000;\"\u003eMust use bronze tip fuel pump pushrod when using high pressure or high-volume pump\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=\"font-size: 12pt; font-family: 'Times New Roman', serif; color: #000000;\"\u003eStock (O.E.) valve springs can NOT be used.\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=\"font-size: 12pt; font-family: 'Times New Roman', serif; color: #000000;\"\u003eBasic RPM Range: 1900 to 5500\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=\"font-size: 12pt; font-family: 'Times New Roman', serif; color: #000000;\"\u003eValve Lift Intake: .547\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=\"font-size: 12pt; font-family: 'Times New Roman', serif; color: #000000;\"\u003eValve Lift Exhaust: .530\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=\"font-size: 12pt; font-family: 'Times New Roman', serif; color: #000000;\"\u003eAdvertised Intake Duration: 283\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=\"font-size: 12pt; font-family: 'Times New Roman', serif; color: #000000;\"\u003eAdvertised Exhaust Duration: 303\u003cbr\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=\"font-size: 12pt; font-family: 'Times New Roman', serif; color: #000000;\"\u003eIntake Duration at .050”: 227\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=\"font-size: 12pt; font-family: 'Times New Roman', serif; color: #000000;\"\u003eExhaust Duration at .050”: 241\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=\"font-size: 12pt; font-family: 'Times New Roman', serif; color: #000000;\"\u003eLobe Separation: 107\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=\"font-size: 12pt; font-family: 'Times New Roman', serif; color: #000000;\"\u003eFiring Order: 1-8-4-3-6-5-7-2\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=\"font-size: 12pt; font-family: 'Times New Roman', serif; color: #000000;\"\u003eMade in the USA\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;\"\u003eNotes:\u003c\/span\u003e\u003c\/u\u003e\u003c\/b\u003e\u003cspan style=\"font-size: 12pt; font-family: 'Times New Roman', serif;\"\u003e The 1965-66 396 has an oiling groove in the rear journal. This cam does not, so if you require the oiling groove, please contact us for a special order. \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 this Retro-Fit Hydraulic Roller camshaft 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":"2024-12-27T10:40:35-06:00","created_at":"2020-10-03T14:44:57-05:00","vendor":"COMP CAMS","type":"Camshafts","tags":["Advertised Intake Duration: 283 Advertised Exhaust Duration: 303 Advertised Duration: 283 int.\/303 exh.","Basic Operating RPM Range: 1700-5500","Cam Style: Hydraulic roller tappet","Engine Size and Year: 396-502 (1967-96)","Exhaust Valve Lift with Factory Rocker Arm Ratio: 0.530 in.","Grind Number: 283THR7","Intake Duration at 050 inch Lift: 227 Exhaust Duration at 050 inch Lift: 241 Duration at 050 inch Lift: 227 int.\/241 exh.","Intake Valve Lift with Factory Rocker Arm Ratio: 0.547 in.","Lobe Separation (degrees): 107 Computer-Controlled Compatible: No","Make: Chevy","Quantity: Sold individually.","Valve Lift with Factory Rocker Arm Ratio: 0.547 int.\/0.530 exh.","Valve Springs Required: Yes"],"price":54995,"price_min":54995,"price_max":54995,"available":true,"price_varies":false,"compare_at_price":null,"compare_at_price_min":0,"compare_at_price_max":0,"compare_at_price_varies":false,"variants":[{"id":32651344773198,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"COM11-600-8","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"Comp Cams 11-600-8 BBC Thumpr Retro-Fit Hydraulic Roller Camshaft 283THR7","public_title":null,"options":["Default Title"],"price":54995,"weight":4971,"compare_at_price":null,"inventory_management":"shopify","barcode":"36584150893","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/www.winnerscircle.com\/cdn\/shop\/products\/COM11-600-8_6738bd0c-e21f-49b9-b63b-927fe587011e.jpg?v=1601759332"],"featured_image":"\/\/www.winnerscircle.com\/cdn\/shop\/products\/COM11-600-8_6738bd0c-e21f-49b9-b63b-927fe587011e.jpg?v=1601759332","options":["Title"],"media":[{"alt":"Comp Cams 11-600-8 BBC Thumpr Retro-Fit Hydraulic Roller Camshaft, fits 396-454 from 1967-1996, 1900-5500 RPM, .547\/.530 Lift, 227\/241 Duration @ .050\"","id":7987063062606,"position":1,"preview_image":{"aspect_ratio":3.846,"height":260,"width":1000,"src":"\/\/www.winnerscircle.com\/cdn\/shop\/products\/COM11-600-8_6738bd0c-e21f-49b9-b63b-927fe587011e.jpg?v=1601759332"},"aspect_ratio":3.846,"height":260,"media_type":"image","src":"\/\/www.winnerscircle.com\/cdn\/shop\/products\/COM11-600-8_6738bd0c-e21f-49b9-b63b-927fe587011e.jpg?v=1601759332","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 11-600-8 BBC Thumpr Retro-Fit Hydraulic Roller Camshaft fits the 396-454 Big Block Chevy from 1967-1996. Comp designed this cam for high performance street use, and it features great low-end torque and a choppy\/thumping idle. A 9.0:1 or higher compression ratio and a 2300+ 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 11-600-8 BBC Thumpr Retro-Fit Hydraulic Roller 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=\"font-size: 12pt; font-family: 'Times New Roman', serif; color: #000000;\"\u003eFor 396-454 cubic inch Big Block Chevy engines from 1967-1996\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=\"font-size: 12pt; font-family: 'Times New Roman', serif; color: #000000;\"\u003eRequires thrust button \u0026amp; wear plate\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=\"font-size: 12pt; font-family: 'Times New Roman', serif; color: #000000;\"\u003eMust use bronze tip fuel pump pushrod when using high pressure or high-volume pump\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=\"font-size: 12pt; font-family: 'Times New Roman', serif; color: #000000;\"\u003eStock (O.E.) valve springs can NOT be used.\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=\"font-size: 12pt; font-family: 'Times New Roman', serif; color: #000000;\"\u003eBasic RPM Range: 1900 to 5500\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=\"font-size: 12pt; font-family: 'Times New Roman', serif; color: #000000;\"\u003eValve Lift Intake: .547\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=\"font-size: 12pt; font-family: 'Times New Roman', serif; color: #000000;\"\u003eValve Lift Exhaust: .530\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=\"font-size: 12pt; font-family: 'Times New Roman', serif; color: #000000;\"\u003eAdvertised Intake Duration: 283\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=\"font-size: 12pt; font-family: 'Times New Roman', serif; color: #000000;\"\u003eAdvertised Exhaust Duration: 303\u003cbr\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=\"font-size: 12pt; font-family: 'Times New Roman', serif; color: #000000;\"\u003eIntake Duration at .050”: 227\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=\"font-size: 12pt; font-family: 'Times New Roman', serif; color: #000000;\"\u003eExhaust Duration at .050”: 241\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=\"font-size: 12pt; font-family: 'Times New Roman', serif; color: #000000;\"\u003eLobe Separation: 107\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=\"font-size: 12pt; font-family: 'Times New Roman', serif; color: #000000;\"\u003eFiring Order: 1-8-4-3-6-5-7-2\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=\"font-size: 12pt; font-family: 'Times New Roman', serif; color: #000000;\"\u003eMade in the USA\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;\"\u003eNotes:\u003c\/span\u003e\u003c\/u\u003e\u003c\/b\u003e\u003cspan style=\"font-size: 12pt; font-family: 'Times New Roman', serif;\"\u003e The 1965-66 396 has an oiling groove in the rear journal. This cam does not, so if you require the oiling groove, please contact us for a special order. \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 this Retro-Fit Hydraulic Roller camshaft 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"}