Icon Premium Forged Piston Kit - Includes Rings - 4.030" Bore - 1.2 x 1.2 x 3.0 mm Ring Groove - Minus 20.0 cc - GM LS-Series 21300XR-O Spek Pro Electric Temperature Gauges

Spek Pro Electric Temperature Gauges

These brake pads have gone through extensive development and testing in the toughest racing environments

Lightweight tubing with steel tip for cast iron camshaft

This premium Viton oil seal was developed for high speed

Icon Premium Forged Piston Kit - Includes Rings - 4.030" Bore - 1.2 x 1.2 x 3.0 mm Ring Groove - Minus 20.0 cc - GM LS-Series 21300XR-O Spek Pro Electric Temperature GaugesProduct Description: Piston and Ring Premium Forged Forged 4. 030 in Bore 1. 2 x 1. 2 x 3. 0 mm Ring Groove Minus 20. 00 cc GM LS Series Icon Pistons brings the same quality and performance you've come to expect from United Engine brands. ICON forgings are created at our in house facility, utilizing the latest innovations in piston forging technology. Each ICON piston is purpose built from the ground up for extreme high performance street or racing