Sale

Engines and Components Engines, Blocks and Components

Summit Racing

Cast Iron Engine Block, 4.125" Bore

$3,349.99 $3,313.43 Save $36.56

SKU: SUM-150216

In Stock
In Stock
Ships by Jul 29
Free Shipping
30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Professional / shop required

Description

It features a standard deck height of 9.240 inches and an initial bore of 4.125 inches, with a maximum bore of 4.185 inches. This aftermarket block is cast in Germany from a Class 35 iron alloy for high tensile strength and hardness.

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

BrandSummit Racing
Part NumberSUM-150216
CategoryEngines and Components

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