Mahle PowerPak Forged Flat Top Piston Set - 4.155 in Bore - 1.125 in Compression Height - 1.0 mm x 1.0 mm x 2.0 mm Ring Grooves - Minus 9.00 cc - Small Block Chevy ATI915737 Introducing the greatest design improvement

Introducing the greatest design improvement since the BERT Transmission

By-Pass feature is unrestricted and anodized top has a fitting for boost referenced applications

Two 1/2 in NPT Female Inlets

Setup System

Separates fuel and air from engine heat

Mahle PowerPak Forged Flat Top Piston Set - 4.155 in Bore - 1.125 in Compression Height - 1.0 mm x 1.0 mm x 2.0 mm Ring Grooves - Minus 9.00 cc - Small Block Chevy ATI915737 Introducing the greatest design improvementProduct Description: Piston Power Pak Forged Flat Top 4. 155 in Bore 1. 125 in Compression Height 1. 0 mm x 1. 0 mm x 2. 0 mm Ring Grooves Minus 9. 00 cc Small Block Chevy For over 80 years, MAHLE has numbered among the leading international manufacturers of high quality components for the automotive engine industry. From powering the Champions in the world's premier racing series to delivering winning performance at local dirt tracks around the