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Engines and Components› Camshafts and Valvetrain

Howards Cams

Solid Roller Cam - BBC Max Effort

$551.09 $444.98 Save $106.11

SKU: H01J 121123-10

In Stock
In Stock
Ships by Jun 7
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

This Big Block Chevy Mark IV 396-502 1965-1996 cam is designed for Competition, Good mid & upper horsepower, Bracket cars, Ok with nitrous, Requires Thrust Button, Requires upgraded distributor gear/fuel pump pushrod, Ignition firing order must be changed to 1-8-4-3-6-5-7-2. All Howards camshafts use the highest grade cores available. They are Rockwell checked and Parkerized to ensure quality control standards.

Fitment

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Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

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Specifications

BrandHowards Cams
Part NumberH01J 121123-10

Videos

Howards Cams Rattler Camshaft

Howards Cams Rattler Camshaft
67 chevelle, whites racing 496ci, Howard's 599 lift cam 309 duration 700hp

67 chevelle, whites racing 496ci, Howard's 599 lift cam 309 duration 700hp

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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