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Part number: PT103HS
Product Details
Wiseco Pistons PT103HS Pistons
Products specifications
Bore 4.500"
Bore (in) 4.500 in.
Bore (mm) 114.300mm
Comp Height 1.120
Comp Ratio @ 112cc 11.4:1 / 12.0:1 / 12.6:1
Comp Ratio @ 119CC 10.7:1 / 11.3:1 / 11.9:1
Compression Distance (in) 1.120 in.
Dome Volume +15cc
File Fit No
Gapless No
Gram Weight 540 - 565 / 572 - 598 / 604 - 632
Oil Ring Material Stainless steel
Oil Ring Tension Standard
Oil Ring Thickness 3/16 in.
Pin Diameter (in) 0.990 in.
Piston Head Volume (cc) -15.00cc
Piston Material Forged aluminum
Piston Style Dome, with single valve relief
Quantity Sold as a kit.
Rod 6.535" / 6.800" / 6.700"
Second Ring Facing Material Cast iron
Second Ring Material Iron
Second Ring Thickness 1/16 in.
Stroke 4.250" / 4.500" / 4.750"
Top Ring Facing Material Plasma-moly
Top Ring Material Iron
Top Ring Thickness 1/16 in.
Wrist Pin Style Press-fit or floating
Wiseco Pistons PT103HS

World renowned for our work building race winning pistons, Wiseco utilizes experience from a diverse background of the most sophisticated engines.

Wiseco?s 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.

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