TR Premium Subaru EJ25 Stroker Kit

An increase in displacement is the ultimate way to gain horsepower and torque. TR Stroker Kit offers an increase in bore and stroke to achieve this goal using your original EJ seriesblock. TR Stroker Kit for Subaru EJ25 engine is built with the quality features and the latest technology in coating options to ensure the dependability that comes from every TR products. TR uses competition grade components from forged 2618 aluminum pistons, I-Beam connecting rods, and billet crankshaft chosen specifically to offer the durability to handle high horsepower demands. Coupled with competition series bearings, TR Stroker Kit is the ultimate option in Subaru engine upgrades! Stroker Kit Characteristics Compression Ratio : 8.5 : 1 Stroke : 83 mm Rod Length : 130.5 mm Crankshaft : Billet Piston : Forged Bearings : Race   Stroker Kit Specifications Part Number Stroke Bore Size Over Size Rod Length Compression Distance Compression Ratio TR-ES2012 83.0 mm 99.50 mm Standard 130.5 mm 28.70 mm 8.5 : 1 TR-ES2013 83.0 mm 99.75 mm + 0.25 mm 130.5 mm 28.70 mm 8.5 : 1 TR-ES2011 83.0 mm 100.0 mm + 0.50 mm 130.5 mm 28.70 mm 8.5 : 1 Kit Contents Billet Crankshaft I-Beam Connecting Rod Set Forged Piston Set Race Main Bearings Set Race Conrod Bearings Set