Forged EG33 Pistons 8:1 to 8.5:1 Compression (depending on setup) by Wiseco
Wiseco Subaru EG33 Piston Set, 97mm or 97.50 mm Bore, .905 pin, with rings & locks, set of 6.
Professional Series forged racing pistons from Wiseco are no-expense-spared pistons designed for the serious racers and builders. Packed full of custom-level performance and durability features and provided with premium rings, Professional Series pistons are designed and built for use in heavy to severe duty race builds. Remove your limits with Wiseco’s Professional Series.
Engineered, forged, and machined in the USA from 2618 aluminum for improved tensile strength
ArmorGlide® Skirt Coating: seizure resistant, friction reduction, and quieter operation
Fully machined crown features
Precision ring grooves, anti-detonation groove, and additional ring seal improving features
Forced pin oiling
Designed and built to withstand heavy to severe duty performance applications
