Icon Premium Forged Piston Kit - Includes Rings - 4.030" Bore - 1.2 x 1.2 x 3.0 mm Ring Groove - Minus 15.0 cc - GM LS-Series Helmet Air System Rocker Switch Boost dependent rising fuel pressure

Boost dependent rising fuel pressure rate (1:1)

Dual Keyway

14 oz Pump Bottle Cleaner and Oil

2007-2013 Chevrolet Silverado 1500 Extended Cab Pickup

Icon Premium Forged Piston Kit - Includes Rings - 4.030" Bore - 1.2 x 1.2 x 3.0 mm Ring Groove - Minus 15.0 cc - GM LS-Series Helmet Air System Rocker Switch Boost dependent rising fuel pressureProduct Description: Piston and Ring Premium Forged Forged 4. 030 in Bore 1. 2 x 1. 2 x 3. 0 mm Ring Groove Minus 15. 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