5103H3 - Wiseco Pistons - Pro Tru Series

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Part #: 5103H3
MSRP: $109.03
Your Price: $103.58


Bore 4.530"
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
Dome Volume +15cc
Gram Weight 540 - 565 / 572 - 598 / 604 - 632
Rod 6.535" / 6.800" / 6.700"
Stroke 4.250" / 4.500" / 4.750"

All Fitments

Year Model SubModel Cylinders Liter Aspiration Eng Desg. Fuel Notes
1985 - 2010 502 BIG BLOCK ALL ALL ALL ALL ALL ALL Pro Tru Forged Pistons; Domed, Race Version; 15cc and 21cc Domes may be Cut to Flat Tops; Approx 2.7cc's Lost for Every .025" Cut; Replacement/Individual Piston; Rings Included; Replacement Ring: 4530H

Product Description

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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