Part Number: K566M81

Description: Pro Tru Pistons; Sport Compact Series; Set of 4 Pistons; Recommended RingSet: 8100XX; Rings & Pins Included

Bore Diameter: 81

Compression Height: 30

Engine: B18

Forging Type: Positive Dome

Oil Ring Thickness: 3

Piston Material: 2618

Piston Pin Included: Yes

Piston Pin Material: 5115

Piston Volume: 5cc

Product Type: Piston Kits

Ringset Included: Yes

Second Compression Ring Thickness: 1.2

Skirt Coating: Yes

Top Compression Ring Thickness: 1

Wrist Pin Diameter: 0.8268

Wrist Pin Style: Floating

Piston Quantity: 4

Ring Set Included: Yes

Wrist Pin Included: Yes

Fitment: B18A1/B1 With B16A VTEC Head

Details:

World renowned for our work building race winning pistons, Wiseco utilizes experience from a diverse background of the most sophisticated sport compact engines. Wiseco’s Sport Compact Pro Tru line creates the best value in forged pistons today. These American made pistons are forged and machined by skilled Ohio craftsmen with state-of-the-art forging presses and CNC machines. By using dedicated forgings specific to the final piston shape, Pro Tru pistons are stronger and lighter than industry standards. Pro Tru sets include plasma moly 1/16, 1/16, 3/16 pre-gapped ring packages which provide excellent seal, friction reduction, and long life. Pro Tru pistons also come in a variety of volumes that allow the engine builder to choose the exact compression ratio required for their engine.