Small Block Chevy 23° USRA Factory Stock PowerPak Piston Set

MAHLE Motorsport’s new USRA SBC 23° Forged Pistons are designed to meet the USRA Factory Stock Rules. These sets come complete with rings & a PRESS-FIT pin design.
• Four equal valve relief flat top piston design
• High strength, 4032 Aluminum alloy, slipper skirt forging
• 1.5mm, 1.5mm, 3.0mm piston ring set included
• Dual coated with phosphate and MAHLE’s GRAFAL® skirt coating
• Precision CNC machined pin bores with straight side reliefs in the pin bores for wrist pin lubrication
• PRESS-FIT Pin Design
• Heavy duty steel wrist pins included