{"id":7694436303073,"title":"Howards Cams 122121-10 BBC Hydraulic Flat Tappet","handle":"hrc122121-10","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 Howards Cams 122121-10 BBC Hydraulic Flat Tappet Camshaft fits 396-502 cubic inch Mark IV Big Block Chevy engines from 1965-1996. Howards designed this cam for hot marine use, and it features a fair idle and is great with performance MerCruisers. A 9.5:1+ compression ratio, lower rear end gears and a 2000+ 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 class=\"MsoNormal\" style=\"mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal; mso-outline-level: 3;\"\u003e\u003cspan style=\"color: #000000;\"\u003e\u003cb\u003e\u003cu\u003e\u003cspan style=\"font-size: 12pt; font-family: 'Times New Roman', serif;\"\u003eHowards Cams 122121-10 BBC Hydraulic Flat Tappet Camshaft Specs:\u003c\/span\u003e\u003c\/u\u003e\u003c\/b\u003e\u003cb\u003e\u003cspan style=\"font-size: 13.5pt; font-family: 'Segoe UI', sans-serif;\"\u003e\u003c\/span\u003e\u003c\/b\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;\"\u003e For Big Block Chevy 396-502 engines from 1965-1996 \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;\"\u003e Basic RPM Range: 1600 to 6000 \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;\"\u003e Valve Lift Intake: .527 \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;\"\u003e Valve Lift Exhaust: .533 \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;\"\u003e Intake Duration: 279 \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;\"\u003e Exhaust Duration: 289 \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;\"\u003e Intake Duration at .050”: 225 \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;\"\u003e Exhaust Duration at .050”: 235 \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;\"\u003e Lobe Separation: 110 \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;\"\u003e Intake Centerline: 106 \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;\"\u003e Firing 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;\"\u003e Made 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 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;\"\u003eHowards Cams designed this Flat Tappet Hydraulic camshaft for high performance on the street and on the 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;\"\u003eHowards Hydraulic Cams – From mild to wild, they are the ultimate in performance!\u003c\/span\u003e\u003c\/p\u003e","published_at":"2022-05-26T09:58:10-05:00","created_at":"2022-05-26T09:58:09-05:00","vendor":"HOWARDS RACING COMPONENTS","type":"Camshafts","tags":["396-502","Advertised Duration: 279 int.\/289 exh.","Advertised Exhaust Duration: 289","Advertised Intake Duration: 279","Basic Operating RPM Range: 1600-6000","BBC","Big Block Chevy","Cam Style: Hydraulic flat tappet","Camshaft","Camshaft Gear Attachment: 3-bolt","Camshaft Manufacturers Description: Hot marine. performance MerCruisers. Fair idle.","Camshaft Use: Marine","Chevrolet","Computer-Controlled Compatible: No","Duration at 050 inch Lift: 225 int.\/235 exh.","Engine Size and Year: 396-502 (1967-96)","Exhaust Duration at 050 inch Lift: 235","Exhaust Valve Lift with Factory Rocker Arm Ratio: 0.533 in.","Howards Cams","Hydraulic Flat Tappet","Intake Duration at 050 inch Lift: 225","Intake Valve Lift with Factory Rocker Arm Ratio: 0.527 in.","Lobe Separation (degrees): 110","Make: Chevy","Mark IV","Quantity: Sold individually.","Valve Lift with Factory Rocker Arm Ratio: 0.527 int.\/0.533 exh.","Valve Springs Required: Yes"],"price":23499,"price_min":23499,"price_max":23499,"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":42854570688737,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"HRC122121-10","requires_shipping":true,"taxable":true,"featured_image":null,"available":false,"name":"Howards Cams 122121-10 BBC Hydraulic Flat Tappet","public_title":null,"options":["Default Title"],"price":23499,"weight":0,"compare_at_price":null,"inventory_management":"shopify","barcode":"840793106608","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/www.winnerscircle.com\/cdn\/shop\/products\/HRC122121-10.jpg?v=1653577091"],"featured_image":"\/\/www.winnerscircle.com\/cdn\/shop\/products\/HRC122121-10.jpg?v=1653577091","options":["Title"],"media":[{"alt":"Howards Cams 122121-10 BBC Hydraulic Flat Tappet Camshaft, fits 1965-96 396-502, 1600-6000 RPM, .527\/.533 Lift, 225\/235 Duration @ .050\"","id":30033832870113,"position":1,"preview_image":{"aspect_ratio":1.0,"height":400,"width":400,"src":"\/\/www.winnerscircle.com\/cdn\/shop\/products\/HRC122121-10.jpg?v=1653577091"},"aspect_ratio":1.0,"height":400,"media_type":"image","src":"\/\/www.winnerscircle.com\/cdn\/shop\/products\/HRC122121-10.jpg?v=1653577091","width":400}],"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 Howards Cams 122121-10 BBC Hydraulic Flat Tappet Camshaft fits 396-502 cubic inch Mark IV Big Block Chevy engines from 1965-1996. Howards designed this cam for hot marine use, and it features a fair idle and is great with performance MerCruisers. A 9.5:1+ compression ratio, lower rear end gears and a 2000+ 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 class=\"MsoNormal\" style=\"mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal; mso-outline-level: 3;\"\u003e\u003cspan style=\"color: #000000;\"\u003e\u003cb\u003e\u003cu\u003e\u003cspan style=\"font-size: 12pt; font-family: 'Times New Roman', serif;\"\u003eHowards Cams 122121-10 BBC Hydraulic Flat Tappet Camshaft Specs:\u003c\/span\u003e\u003c\/u\u003e\u003c\/b\u003e\u003cb\u003e\u003cspan style=\"font-size: 13.5pt; font-family: 'Segoe UI', sans-serif;\"\u003e\u003c\/span\u003e\u003c\/b\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;\"\u003e For Big Block Chevy 396-502 engines from 1965-1996 \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;\"\u003e Basic RPM Range: 1600 to 6000 \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;\"\u003e Valve Lift Intake: .527 \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;\"\u003e Valve Lift Exhaust: .533 \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;\"\u003e Intake Duration: 279 \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;\"\u003e Exhaust Duration: 289 \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;\"\u003e Intake Duration at .050”: 225 \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;\"\u003e Exhaust Duration at .050”: 235 \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;\"\u003e Lobe Separation: 110 \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;\"\u003e Intake Centerline: 106 \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;\"\u003e Firing 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;\"\u003e Made 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 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;\"\u003eHowards Cams designed this Flat Tappet Hydraulic camshaft for high performance on the street and on the 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;\"\u003eHowards Hydraulic Cams – From mild to wild, they are the ultimate in performance!\u003c\/span\u003e\u003c\/p\u003e"}