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Engines and Components› Camshafts and Valvetrain

Howards Cams

Solid Roller Cam - BBC Max Effort

$551.09 $415.49 Save $135.60

SKU: H01J 121123-10

In Stock
In Stock
Ships by Oct 6
Free Shipping over $200
$100 Minimum Order
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Overview

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.
Show original supplier description

Part #: 121123-10

Camshaft - Steel Billet - Mechanical Roller - Lift 0.703 / 0.703 in - Duration 301 / 309 - 110 LSA - 4000 / 8000 RPM - Big Block Chevy - Each

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

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Specifications

BrandHowards Cams
Part NumberH01J 121123-10
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Returns & Fitment

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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Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

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