Speedmaster®
Chevy GM LS1 LS2 LS3 LS6 LS7 L92 LSX Manual Flywheel Bolt Kit (12Pt)
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: | PCE228.1002 |
| Part Type: | Flywheel Fastener |
| Thread Size: | M11 x 1.5mm |
| Underhead Length (in): | 0.945 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.
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.