Sale

Engines and Components› Crankshafts and Components

Howards Cams

BBC Reaper 4340 Billet Crankshaft 4.250 Stroke

$1,688.18 $1,612.29 Save $75.89

SKU: H01J 45442506385

In Stock
In Stock
Ships by Jun 9
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Advanced — 4+ hours

Description

The Howards Racing Components 45442506385 is a BBC Reaper 4340 Billet Crankshaft with a 4.250-inch stroke. It is designed for Big Block Chevrolet (BBC) engines, features internal balance, a 2-piece rear main seal, and is compatible with 454 main bearings. This performance component is suitable for the Chevy 396-502 Mark IV engine family.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

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

Available on iOS & Android

Specifications

BrandHowards Cams
Part NumberH01J 45442506385

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.

View Full Return Policy