CP Piston & Ring Set for Subaru EJ257 WRX STi - Bore (100.5mm) - Size (+1.0mm) - CR (8.2) Set of 4

Cp pistons forged piston kits for high-output imports, sport compacts and domestic engine builds are stocked at Black Ops Auto Works. Shop forged pistons, piston rings, wrist pins and matched piston-and-ring sets for Honda K-series and B-series, Toyota 2JZ, BMW B58, Nissan RB and many more platforms. Every product should be matched to bore size, compression ratio, pin diameter, ring package and engine application before machine work begins. Black Ops Auto Works carries 101 CP Pistons SKUs for naturally aspirated, boosted and competition engine combinations. What This Collection Covers CP Pistons forged components are designed for engine builds that need carefully matched piston specifications and ring sealing. The selection covers piston kits, replacement ring sets and wrist pins for popular four-cylinder, six-cylinder and V8 combinations. Built for verified applications Use the fitment details and product specifications on each listing to confirm the correct application before ...

Engine parts and engine bay upgrades for Dodge, Jeep, RAM, Chrysler, Chevrolet, Ford, Toyota, Nissan, Subaru, and Honda vehicles are stocked at Black Ops Auto Works. Shop oil catch cans, supercharger pulleys, thermostats, radiators, cooling parts, throttle bodies, intake manifolds, headers, ignition coils, spark plugs, sensors, gaskets, fuel pumps, valve covers, engine covers, billet cap covers, and full engine bay dress-up parts for HEMI, Hellcat, Trackhawk, Redeye, Demon, Scat Pack, RAM TRX, LS, LT, Coyote, EcoBoost, K-Series, and 2JZ builds. Every product is filterable by year, make, model, trim, engine, and drivetrain so the correct part ships the first time. Black Ops Auto Works carries 14,298 engine SKUs across performance, cooling, oil control, ignition, and appearance categories. What This Category Covers The Engine collection combines OEM-replacement engine service parts with performance aftermarket upgrades for supercharged, turbocharged, and naturally aspirated builds...

Forged 4-cylinder piston sets built for boosted street and race engines are stocked at Black Ops Auto Works. Shop forged piston sets from leading manufacturers sized for popular 4-cylinder turbo platforms, engineered to handle high boost, high compression, and repeated hard use without the failure risk of cast pistons. Every product is filterable by year, make, model, trim, engine, and drivetrain so the correct piston set ships the first time. Black Ops Auto Works carries 402 forged 4-cylinder piston set SKUs across bore size, compression ratio, and platform fitment. What This Category Covers The Piston Sets - Forged - 4cyl collection covers complete forged piston sets for inline-4 turbo and naturally aspirated engines, sized to specific bore diameters and offered in multiple compression ratios for street, drag, and road race builds. The catalog is strongest on Manley, Wiseco, and CP-Carrillo forged sets for common Honda, Subaru, Mitsubishi, and Mazda 4-cylinder turbo platforms....

Pistons and piston components for engine builds and rebuilds are stocked at Black Ops Auto Works. Shop forged and cast piston sets, piston rings, piston pins, and pin locks for 4, 5, 6, and 8-cylinder gas engines and diesel applications, including Cummins 5.9L 12-valve, Toyota 2JZGTE, Honda K20, BMW and Toyota B58, GM 6.2L LT1 and L86, Chrysler Gen3 Hemi 6.2L Hellcat and 6.4L Apache, and Nissan VQ35DE builds. Every product is filterable by bore size, engine platform, compression ratio, and application so the correct piston set ships the first time. Black Ops Auto Works carries 997 piston and piston component SKUs across forged, cast, and diesel-specific categories. What This Category Covers Pistons are the core moving component of any engine build, transferring combustion force into rotational power through the connecting rod and crankshaft. This category covers complete piston sets plus the individual components, rings, pins, and pin locks, needed for a full rebuild or performa...