CNC-Motorsports offers the best selection of pistons by brands like; CP, Diamond, JE, SRP, KB, Mahle, Manley and Wiseco. Our selection of pistons will cover nearly every engine build from 300 horsepower street engines to our forged pistons that will support 2000 plus horsepower race engine applications. Shop 12000 plus pistons for domestic V8 and Import engines. Custom piston orders available, please call or email our experienced staff today.
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CP-SC7420 PART NUMBER
SC7420 CP Pistons, Forged, Subaru - 3.9175 (99.50mm) Bore, 8.2:1$885.15
Subaru - EJ257 WRX STI, 3.9175 (99.50mm) Bore, 79mm Stroke, 130.5mm rod, 1.208 Compression Height, STD, Set of 4. **Call for best price.** Learn More -
CP-SC7425 PART NUMBER
SC7425 CP Pistons, Forged, Subaru - 3.9175 (99.50mm) Bore, 9.0:1$885.15
Subaru - EJ257 WRX STI, 3.9175 (99.50mm) Bore, 79mm Stroke, 130.5mm rod, 1.208 Compression Height, STD, Set of 4. **Call for best price.** Learn More -
CP-SC7415 PART NUMBER
SC7415 CP Pistons, Forged, Subaru EJ257 WRX STI, - 3.9175 (99.50mm) Bore, 10.0:1$766.50
Subaru - EJ257 WRX STI, 3.9175 (99.50mm) Bore, 79mm Stroke, 130.5mm rod, 1.208 Compression Height, STD, Set of 4. **Call for best price.** Learn More -
DRP-36007-4 PART NUMBER
36007-4 Diamond Pistons Subaru EJ255 Forged Dish 99.5mm Bore$764.00
Fits 2006-2008 Subaru EJ255 WRX, Bore 99.50mm, Stroke 79mm, Rod Length 5.137, Dish -24cc, Set of 4 Pistons and Rings Learn More -
DRP-36011-4 PART NUMBER
36011-4 Diamond Pistons Subaru EJ257 Forged Dish 99.5mm Bore$764.00
Fits 2004-Up Subaru EJ257 WRX/STI, Bore 99.50mm, Stroke 79mm, Rod Length 5.137, Dish -22cc, Set of 4 Pistons and Rings Learn More -
DRP-36015-4 PART NUMBER
36015-4 Diamond Pistons Subaru EJ257 Forged Dish 99.5mm Bore$764.00
Fits 2004-Up Subaru EJ257 WRX/STI, Bore 99.50mm, Stroke 79mm, Rod Length 5.137, Dish -12cc, Set of 4 Pistons and Rings Learn More -
DRP-36019-4 PART NUMBER
36019-4 Diamond Pistons Subaru EJ257 Forged Flat Top 99.5mm Bore$764.00
Fits 2004-Up Subaru EJ257 WRX/STI, Bore 99.50mm, Stroke 79mm, Rod Length 5.137, Flat Top -4.5cc, Set of 4 Pistons and Rings Learn More