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Engines and Components› Engines, Blocks and Components

Billet

Steel Main Caps for "B" and "RB" Engines

$199.95 $105.00 Save $94.95

SKU: 200-1039

In Stock
In Stock
Ships by Jul 30
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30 Days Return
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Description

The Billet main caps are a set of five billet steel main caps, serving as a direct upgrade from original cast iron factory caps or a replacement for missing originals. They are compatible with both "B" and "RB" engine configurations, providing a robust solution for engine builds requiring increased durability.

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

BrandBillet
Part Number200-1039
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.

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