BC 4340 Billet Steel Crankshaft (79mm stroke). Not an OEM EJ25 crank.
BC 4340 Econo or Pro Series steel billet rods with ARP 220,000 psi fasteners.
CP aluminum forged pistons (any bore size, any compression ratio).
>9310 nickel carbon steel alloy wrist pins.
Ductile iron plasma-moly top rings, tapered second rings, and low-tension oil rings.
Includes aluminum buttons/rail supports (not locks) as standard.
System is fully balanced and ready for installation.
The BC stroker kit for the Subaru EJ20 engine incorporates a proven 79mm stroke steel billet crankshaft, not a factory STi or EJ25 crank. Depending on the bore size chosen, the BC kit can take you up to 2.29L with a safe 96mm bore. As always, each BC kit features custom CP forged aluminum pistons, premium alloy wrist pins, full ring packs, and buttons. Significant horsepower and torque gains. BC Econo rods are rated to 600 horsepower, BC Pro Series rods are rated to 800+ horsepower.
Stock Specifications:
EJ20 92 mm bore x 75 mm stroke - 7.913" block height
Part Number: BC0608
Stroker Kit (Subaru EJ205-WRX - 79mm Stroke Billet Crank, BC625+ Rods, Custom Pistons)
Stroker kit featuring BC 4340 steel billet crankshaft, Pro Series 4340 steel billet rods, and custom premium quality pistons with pins, rings, and locks.
Part Number: BC0609
Stroker Kit (Subaru EJ205-WRX - 79mm Stroke Billet Crank, Sportsman Rods, Custom Pistons)
Stroker kit featuring BC 4340 steel billet crankshaft, Econo 4340 steel billet rods, and custom premium quality pistons with pins, rings, and locks.
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