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{"id":7701598503137,"title":"Howards Cams 121253-08 BBC Solid Roller Camshaft","handle":"hrc121253-08","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 121253-08 BBC Steel Billet Solid Roller Camshaft fits the 396-502 Big Block Chevy from 1965-1996. Howards designed this cam for street\/strip use in heavy cars, and it \u003c\/span\u003e\u003cspan style=\"font-family: 'Times New Roman', serif; font-size: 16px;\"\u003efeatures good mid-range to upper rpm torque \u0026amp; power and \u003c\/span\u003e\u003cspan style=\"font-size: 12pt; font-family: 'Times New Roman', serif;\"\u003ehas a rough idle. A 11\u003c\/span\u003e\u003cspan style=\"font-size: 12.0pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 'Times New Roman';\"\u003e.0:1 or higher compression ratio and a 4200+ stall speed torque converter is highly recommended. \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; mso-outline-level: 3;\" class=\"MsoNormal\"\u003e\u003cspan style=\"color: #000000;\"\u003e\u003cb\u003e\u003cu\u003e\u003cspan style=\"font-size: 12pt; font-family: 'Times New Roman', serif;\"\u003eHowards Cams 121253-08 BBC Steel Billet Solid Roller Camshaft Specs:\u003c\/span\u003e\u003c\/u\u003e\u003c\/b\u003e\u003cb\u003e\u003cspan style=\"font-size: 12.0pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 'Times New Roman';\"\u003e\u003c\/span\u003e\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\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 396-502 cubic inch Big Block Chevy 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;\"\u003eRequires Thrust Button\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 upgraded distributor gear\/fuel pump pushrod\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: 4000 to 7800\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: .765\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: .714\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: 301\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;\"\u003eExhaust Duration: 307\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”: 269\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”: 275\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: 108\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 Centerline: 104\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: 12.0pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 'Times New Roman';\"\u003eNotes:\u003c\/span\u003e\u003c\/u\u003e\u003c\/b\u003e\u003cspan style=\"font-size: 12.0pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 'Times New Roman';\"\u003e Stock (O.E.) valve springs can NOT be used. \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 solid roller camshaft for high performance on the street and drag strip.\u003c\/span\u003e\u003cspan style=\"font-size: 12.0pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 'Times New Roman';\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 12pt; line-height: 107%; font-family: 'Times New Roman', serif; color: #000000;\"\u003e Howards Roller Cams – From mild to wild, they are the ultimate in performance!\u003c\/span\u003e\u003c\/p\u003e","published_at":"2024-04-25T09:38:55-05:00","created_at":"2022-06-02T09:20:07-05:00","vendor":"HOWARDS RACING COMPONENTS","type":"Camshafts","tags":["396-502","Advertised Duration: 301 int.\/307 exh.","Advertised Exhaust Duration: 307","Advertised Intake Duration: 301","Basic Operating RPM Range: 4000-7800","BBC","Big Block Chevy","Cam Style: Solid roller- Retro-fit","Camshaft","Camshaft Gear Attachment: 3-bolt","Camshaft Manufacturers Description: Good midrange to upper rpm torque and power. Heavy cars OK.","Camshaft Use: Drag race","Chevrolet","Computer-Controlled Compatible: No","Duration at 050 inch Lift: 269 int.\/275 exh.","Engine Size and Year: 396-502 (1967-96)","Engine:Chevy - V8 (396-502) 1965-96","Exhaust Duration at 050 inch Lift: 275","Exhaust Valve Lash: 0.022 in.","Exhaust Valve Lift with Factory Rocker Arm Ratio: 0.714 in.","Howards Cams","Intake Duration at 050 inch Lift: 269","Intake Valve Lash: 0.022 in.","Intake Valve Lift with Factory Rocker Arm Ratio: 0.765 in.","Lobe Separation (degrees): 108","Make: Chevy","Mark IV","Mechanical Roller","Quantity: Sold individually.","Solid Roller","Valve Lift with Factory Rocker Arm Ratio: 0.765 int.\/0.714 exh.","Valve Springs Required: Yes"],"price":44799,"price_min":44799,"price_max":44799,"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":42876192751841,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"HRC121253-08","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"Howards Cams 121253-08 BBC Solid Roller Camshaft","public_title":null,"options":["Default Title"],"price":44799,"weight":0,"compare_at_price":null,"inventory_management":"shopify","barcode":"840793106165","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/www.winnerscircle.com\/cdn\/shop\/products\/HRC121253-08.jpg?v=1654179609"],"featured_image":"\/\/www.winnerscircle.com\/cdn\/shop\/products\/HRC121253-08.jpg?v=1654179609","options":["Title"],"media":[{"alt":"Howards Cams 121253-08 BBC Solid Roller Camshaft, fits 396-502 from 1965-1996, 4000-7800 RPM, .765\/.714 Lift, 269\/275 Duration @ .050\"","id":30064284532961,"position":1,"preview_image":{"aspect_ratio":1.0,"height":400,"width":400,"src":"\/\/www.winnerscircle.com\/cdn\/shop\/products\/HRC121253-08.jpg?v=1654179609"},"aspect_ratio":1.0,"height":400,"media_type":"image","src":"\/\/www.winnerscircle.com\/cdn\/shop\/products\/HRC121253-08.jpg?v=1654179609","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 121253-08 BBC Steel Billet Solid Roller Camshaft fits the 396-502 Big Block Chevy from 1965-1996. Howards designed this cam for street\/strip use in heavy cars, and it \u003c\/span\u003e\u003cspan style=\"font-family: 'Times New Roman', serif; font-size: 16px;\"\u003efeatures good mid-range to upper rpm torque \u0026amp; power and \u003c\/span\u003e\u003cspan style=\"font-size: 12pt; font-family: 'Times New Roman', serif;\"\u003ehas a rough idle. A 11\u003c\/span\u003e\u003cspan style=\"font-size: 12.0pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 'Times New Roman';\"\u003e.0:1 or higher compression ratio and a 4200+ stall speed torque converter is highly recommended. \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; mso-outline-level: 3;\" class=\"MsoNormal\"\u003e\u003cspan style=\"color: #000000;\"\u003e\u003cb\u003e\u003cu\u003e\u003cspan style=\"font-size: 12pt; font-family: 'Times New Roman', serif;\"\u003eHowards Cams 121253-08 BBC Steel Billet Solid Roller Camshaft Specs:\u003c\/span\u003e\u003c\/u\u003e\u003c\/b\u003e\u003cb\u003e\u003cspan style=\"font-size: 12.0pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 'Times New Roman';\"\u003e\u003c\/span\u003e\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\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 396-502 cubic inch Big Block Chevy 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;\"\u003eRequires Thrust Button\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 upgraded distributor gear\/fuel pump pushrod\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: 4000 to 7800\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: .765\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: .714\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: 301\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;\"\u003eExhaust Duration: 307\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”: 269\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”: 275\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: 108\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 Centerline: 104\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: 12.0pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 'Times New Roman';\"\u003eNotes:\u003c\/span\u003e\u003c\/u\u003e\u003c\/b\u003e\u003cspan style=\"font-size: 12.0pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 'Times New Roman';\"\u003e Stock (O.E.) valve springs can NOT be used. \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 solid roller camshaft for high performance on the street and drag strip.\u003c\/span\u003e\u003cspan style=\"font-size: 12.0pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 'Times New Roman';\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 12pt; line-height: 107%; font-family: 'Times New Roman', serif; color: #000000;\"\u003e Howards Roller Cams – From mild to wild, they are the ultimate in performance!\u003c\/span\u003e\u003c\/p\u003e"}

Howards Cams 121253-08 BBC Solid Roller Camshaft

Product Description
$447.99
Maximum quantity available reached.

This Howards Cams 121253-08 BBC Steel Billet Solid Roller Camshaft fits the 396-502 Big Block Chevy from 1965-1996. Howards designed this cam for street/strip use in heavy cars, and it features good mid-range to upper rpm torque & power and has a rough idle. A 11.0:1 or higher compression ratio and a 4200+ stall speed torque converter is highly recommended. 

Howards Cams 121253-08 BBC Steel Billet Solid Roller Camshaft Specs:

  • For 396-502 cubic inch Big Block Chevy engines from 1965-1996
  • Requires Thrust Button
  • Requires upgraded distributor gear/fuel pump pushrod
  • Basic RPM Range: 4000 to 7800
  • Valve Lift Intake: .765
  • Valve Lift Exhaust: .714
  • Intake Duration: 301
  • Exhaust Duration: 307
  • Intake Duration at .050”: 269
  • Exhaust Duration at .050”: 275
  • Lobe Separation: 108
  • Intake Centerline: 104
  • Firing Order: 1-8-4-3-6-5-7-2
  • Made in the USA

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

Howards Cams designed this solid roller camshaft for high performance on the street and drag strip.

Howards Roller Cams – From mild to wild, they are the ultimate in performance!

Sku: HRC121253-08