Wiseco Pistons 1400HD 4G64 with 4G63 Head (21mm Pin 6-Bolt DSM) Compression Ratio | Bore Size:9.8:1 | 87.00mm (.020" Overbore) while allowing the machine operator

while allowing the machine operator access to the bores

The pistons come standard with  ArmorGlide® coating material for reduced friction and noise

or as a full set of 24

Supertech maganese bronze valve guides for 4G63 Evo

5oz (354grams)

Wiseco Pistons 1400HD 4G64 with 4G63 Head (21mm Pin 6-Bolt DSM) Compression Ratio | Bore Size:9.8:1 | 87.00mm (.020" Overbore) while allowing the machine operatorFits these Applications: Mitsubishi 4G64 with 4G63 Head (21mm Pin 6 Bolt DSM) 100mm Stroke for 150mm Rods 6 Bolt DSM (1988 1992. 5 Eclipse, Talon & Laser Turbo) Includes: (4) Pistons (4) Pins (8) Wire Locks (4) Set of Piston Rings Description: World renowned for our work building race winning pistons, Wiseco utilizes experience from a diverse background of the most sophisticated engines in such venues as Formula 1, Indy Racing League (IRL), NHRA Pro