Icon Premium Forged Piston Set - 4.030" Bore - 1.2 x 1.2 x 3.0 mm Ring Groove - Minus 12.5 cc - GM LS-Series (Set of 8) H77715FXXL 1/4-28 in Thread to 10

1/4-28 in Thread to 10 mm x 1

Hedman Hedders Hedder Reducer 21119 Tube Size 3 in

Single chamber

The FAST LSX/LSXR/LSXRT Fuel Rails feature a larger internal diameter that dampens the pulses and provides increased fuel volume

AFR 305cc cylinder heads would be a great choice if your looking for big torque

Icon Premium Forged Piston Set - 4.030" Bore - 1.2 x 1.2 x 3.0 mm Ring Groove - Minus 12.5 cc - GM LS-Series (Set of 8) H77715FXXL 1/4-28 in Thread to 10Product Description: Piston Premium Forged Forged 4. 030 in Bore 1. 2 x 1. 2 x 3. 0 mm Ring Groove Minus 12. 50 cc GM LS Series Set of 8 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