Item Description

Probe Forged Piston Set SR20, .5MM Oversize. This set of 4 pistons includes high quality Rings, Chamfered Pins, and Wire Locks. Forged of 2618 High Strength Alloy, thses are some of the best forged pistons you can buy. Specs: Compression Ratio 10.61, Flat Top Design, 1.2 x 1.2 x 2.8 Ring Grooves, 86.5 (3.405) Bore. Engine specs: 3.386 Stroke - 5.366 Rod - 1.260 C/H - .866 x 2.250 (71 gram) Pin