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Tomioka Racing 2.2 Stroker Kit for Subaru Impreza WRX EJ20

Tomioka Racing


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 series block. TR Stroker Kit for Subaru EJ20 series engines 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, forged 4340 rods, and 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!

Stroke: 79mm
Bore Size: 92.5mm or 93mm
Rod Length: 5.137in
Compression Distance: 1.209in
Compression Ratio: 8.5:1
Piston Weight: 361g

Crankshaft Features:
Forged 79mm stroke
Multi-step treating process
Stress relieved
Nitride treated

Connecting Rod Features:
Forged 4340 material
Shot-peened, heat treated, and magnafluxed
3/8" ARP 2000 cap fasteners

Piston Set Features:
High strength, lightweight 2618 aluminum
Chrome moly wrist pins
Total Seal piston rings

Kit Contents:
Pistons x 4
Wrist Pins x 4
Pistons Ring Set
Connecting Rod Set
Forged Crankshaft
Main & Connecting Rod Bearing Set

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