Engines and Components› Cylinder Heads and Components

Dart

MAIN BOLT-BBC-3 3/4 X 1/2

$17.03

SKU: D00Q 66733750

Special Order
Special Order
Ships in 4–6 weeks
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Description

The Dart Main Bolts 66733750 are sold individually and designed to maintain proper main cap alignment and tightness. They are manufactured from quality materials and machined to strict specifications to reduce wear and tear on block threads.

These bolts feature a standard hex head, a 1/2 in. thread size, and a 3.750 in. UHL. They are designed for 4-bolt main applications and are not intended for use with a stud girdle or windage tray. Nuts and washers are not included.

Fitment

Fitment Guaranteed

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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.

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Specifications

BrandDart
Part NumberD00Q 66733750

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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