Nissan RB25 2.63L Stroker Kit - This kit includes 4340 billet crank, 73.7mm stroke, H-beam BC625+ rods (4.783 c-to-c), and custom pistons (choice of bore/compression). ACL Race bearings available separately.

RB25 STROKER KITS

The BC stroker kit for the Nissan RB26/RB25 engine incorporates a 79mm stroke, steel billet crankshaft. Depending on bore size that you decide, the BC kit will take you up to a 2.9L with a 87mm bore. The Nissan RB26/RB25 kit utilizes premium steel billet connecting rods. As usual, each BC kit features custom CP or JE pistons, wrist pins, and full ring pack. Big time horsepower and torque gains. Note: Must specify RB26 or RB25 cylinder head when ordering pistons.BC 4340 billet steel crankshaft (79mm stroke).BC 4340 Sportsman or Pro Series connecting rods.CP or JE aluminum forged pistons (any bore size, any compression ratio).5100 Series carbon steel alloy wrist pins. 9310 Series pin upgrade avail.Ductile iron plasma top rings, tapered second ring, low tension oil rings.

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