Speedmaster®

Universal Chevy SBC BBC Ford SB BB Cleveland Manual Flywheel Bolt Kit (12Pt)

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MPN: PCE228.1001 UPC: 840136518624

Product Information

Overview

These High Performance series flywheel bolts from Speedmaster are far superior to OEM hardware. These bolts are forged from aerospace alloy and heat-treated prior to thread rolling and machining. They feature an exclusive, flat, 12-point head design and a larger-than-stock shank diameter, for increased strength and improved register.

Specs

Brand:Speedmaster
Part Number:PCE228.1001
Part Type:Flywheel Fastener
Thread Size:7/16-20 in. RH
Underhead Length (in):1.000 in.
Washer Included:No
Head Style:12-point
Fastener Finish:Black oxide
Fastener Material:Chromoly
Quantity:Sold as a set of 6.

Warranty Information

12-Month Limited Worldwide Warranty

Prop 65 Warning

This product may contain chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.

Installation Guide

Our AI assistant generates a step-by-step guide for this product — covering installation, maintenance, and troubleshooting.

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This AI-generated guide is for general reference only and does not constitute official Speedmaster product documentation. Always verify fitment, torque specifications, and safety requirements before installation.