Wiseco 7-Bolt DSM Pistons (100mm Stroke for 150mm Rods) Compression Ratio | Bore Size:9.7:1 | 85mm Standard Digressive piston technology allows for

Digressive piston technology allows for stiff low-speed compression/rebound force

Some SPAL automotive fans offer curved blades as an option to reduce noise where maximum airflow is not required

Temp Difference: 10°F

Now laser etched with the STM logo and we also use a black urethane bushing with a stiffer durometer

Wiseco 7-Bolt DSM Pistons (100mm Stroke for 150mm Rods) Compression Ratio | Bore Size:9.7:1 | 85mm Standard Digressive piston technology allows forFits these Applications: 7 Bolt DSM 4G63 with 100mm Stroke and 150mm Rods Also fits 4G63 with 88mm Stroke and 156mm Rods (1992. 5 1999 1G 2G Eclipse GST GSX, Talon TSi & Laser Turbo) Includes: (4) Pistons (4) Pins (8) Wire Locks (4) Set of Piston Rings World renowned for their 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),