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Brian Crower STI Stroker Kits

The BC stroker kit for the Subaru EJ25 engine utilizes a custom, 83mm monster stroke, steel billet crankshaft, not a reworked factory EJ25 crank. Depending on bore size that you decide, the BC kit will take you up to a 2.61L with a safe 100mm bore. As usual, each BC kit features custom CP forged aluminum pistons, premium alloy wrist pins, full ring pack and buttons. This kit is designed for Big time power and torque gains. BC Econo rods are rated to 600 horsepower, and BC Pro Series rods rated to 800+ horsepower.

Features:
  • BC 4340 billet steel crankshaft (83mm stroke). Not a reworked OEM EJ25 crank.
  • BC 4340 Econo or Pro Series steel billet rods w/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 top rings, tapered second ring, low tension oil rings.
  • Typically includes aluminum buttons/rail supports (not locks).
  • Fully system balanced and ready to install.


Stock Specifications:
  • EJ25 99.5mm Bore x 79mm Stroke - 7.913" Block Height


All Subaru Brian Crower STI Stroker Kits
View All Subaru STi Stroker Kits
Subaru STiMSRPPrice
(2004-2012) EJ257 - 79mm Stroke Billet Crank, Beam Rods, Custom Pistons$3,462.25$3,375.69  Add to Cart
EJ257 - 79mm Stroke Billet Crank, Econo Rods, Custom Pistons$3,210.10$3,129.85  Add to Cart
EJ257 - 79mm Stroke Billet Crank, I Beam Extreme Rods, Pistons$3,654.25$3,562.89  Add to Cart
EJ257 - 79mm Stroke Billet Crank, Pro Series Rods, Custom Pistons$3,452.35$3,366.04  Add to Cart
EJ257 - 83mm Billet Crank, I Beam Extreme Rods (5.141"), Custom Pistons$3,654.25$3,562.89  Add to Cart
EJ257 - 83mm Stroke Billet Crank, Econo Rods, Custom Pistons$3,362.26$3,278.20  Add to Cart
EJ257 - 83mm Stroke Billet Crank, Pro Series Rods, Custom Pistons$3,452.35$3,366.04  Add to Cart
EJ257- 83mm Billet Crank, I Beam Rods (5.141"), Custom Pistons$3,462.25$3,375.69  Add to Cart
 
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Parts Available: BC0607, BC0609, BC0606, BC0608, BC0626, BC0629, BC0628, BC0627