Engines and Components› Cylinder Heads and Components

ARP

ARP BB Mopar B & RB wedge 12pt head bolt kit

$374.77

SKU: A00M 245-3706

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

Advanced — 4+ hours

Description

The ARP 245-3706 is a Pro Series 12-point head bolt kit for Big Block Mopar 383, 400, 413, 426, and 440 Wedge engines. These bolts are cold-forged, heat-treated, and designed for superior strength in competition engines. They feature a 12-point head, wide area flange, and come with hardened parallel-ground washers. Some applications also include undercut short bolts to prevent head gasket failures.

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

BrandARP
Part NumberA00M 245-3706

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