Speedmaster®
Chevy BBC 454 6.385" 4.350" Bore 1.270" .990" Dome Top Forged Pistons
Promo
Product Information
Overview
Speedmaster Forged pistons are made from 4032 aluminum alloy for quieter operation and reduced piston to wall clearance. Up to 20% lighter than traditional forged pistons that eliminate harmful stress concentrations for superior strength. Specifically designed for naturally aspirated or moderate nitrous applications.
Specs
| Brand: | Speedmaster |
| Part Number: | PCE305.1110.06 |
| Part Type: | Piston |
| Bore (in): | 4.350 in. |
| Piston Style: | Dome, with single valve relief |
| Piston Material: | Forged aluminum |
| Compression Distance (in): | 1.270 in. |
| Dome Height (in): | 0.260 in. |
| Piston Head Volume (cc): | -20.00cc |
| Wrist Pin Style: | Press-fit or floating |
| Wrist Pin Included: | Yes |
| Pin Diameter (in): | 0.990 in. |
| Piston Ring Thickness: | 1.5mm x 1.5mm x 3mm |
| Piston Rings Included: | No |
| Quantity: | Sold as a set of 8. |
| Notes: | Rail Support Required. |
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.