Wiseco Pro Tru Forged Pistons; Reverse Dome; Replacement/Individual Piston; Rings Included; Replacement Ring: 4360H BUICK 455 BIG BLOCK


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Part #: 5055H5
Notes: Pro Tru Forged Pistons
Reverse Dome
Replacement/Individual Piston
Rings Included
Replacement Ring: 4360H
MSRP: $97.41
Your Price: $96.73

Specs

Bore 4.360"
Comp Height 2.98
Comp Ratio @ 65cc 10.7:1
Comp Ratio @ 68CC 10.4:1
Dome Volume -22cc
Gram Weight 466
Rod 6.600"
Stroke 3.900"

This Item Also Available In

Part Number Price Notes & Specs
PT055H5 $706.52 Notes Pro Tru Forged Pistons
Reverse Dome
Set of 8 Pistons
Rings Included
Replacement Ring: 4360H
Replacement Piston: 5055H5
Bore 4.360"
Comp Height 2.98
Comp Ratio @ 65cc 10.7:1
Comp Ratio @ 68CC 10.4:1
Dome Volume -22cc
Gram Weight 466
Rod 6.600"
Stroke 3.900"
PT054H4 $694.06 Notes Pro Tru Forged Pistons
Flat Top
Set of 8 Pistons
Rings Included
Replacement Ring: 4350H
Replacement Piston: 5054H4
Bore 4.350"
Comp Height 1.98
Comp Ratio @ 65cc 12.2:1
Comp Ratio @ 68CC 11.8:1
Dome Volume -8.34cc
Gram Weight 464
Rod 6.600"
Stroke 3.900"
5055H4 $100.60 Notes Pro Tru Forged Pistons
Reverse Dome
Replacement/Individual Piston
Rings Included
Replacement Ring: 4350H
Bore 4.350"
Comp Height 1.98
Comp Ratio @ 65cc 10.6:1
Comp Ratio @ 68CC 10.3:1
Dome Volume -22cc
Gram Weight 464
Rod 6.600"
Stroke 3.900"
5054H4 $95.02 Notes Pro Tru Forged Pistons
Flat Top
Replacement/Individual Piston
Rings Included
Replacement Ring: 4350H
Bore 4.350"
Comp Height 1.98
Comp Ratio @ 65cc 12.2:1
Comp Ratio @ 68CC 11.8:1
Dome Volume -8.34cc
Gram Weight 464
Rod 6.600"
Stroke 3.900"
PT055H4 $675.95 Notes Pro Tru Forged Pistons
Reverse Dome
Set of 8 Pistons
Rings Included
Replacement Ring: 4350H
Replacement Piston: 5055H4
Bore 4.350"
Comp Height 1.98
Comp Ratio @ 65cc 10.6:1
Comp Ratio @ 68CC 10.3:1
Dome Volume -22cc
Gram Weight 464
Rod 6.600"
Stroke 3.900"

All Fitments

BUICK
Year Model SubModel Cylinders Liter Aspiration Eng Desg. Fuel Notes
1970 - 1976 455 BIG BLOCK ALL ALL ALL ALL ALL ALL
1971 - 1973 CENTURION ALL ALL 7.5 ALL ALL ALL
1973 - 1974 CENTURY ALL ALL 7.5 ALL ALL ALL
1970 - 1976 ELECTRA ALL ALL 7.5 ALL ALL ALL
1970 - 1976 ESTATE WAGON ALL ALL 7.5 ALL ALL ALL
1970 - 1972 GS 455 ALL ALL ALL ALL ALL ALL
1970 - 1976 LESABRE ALL V8 7.5 ALL ALL ALL
1973 - 1974 REGAL ALL ALL 7.5 ALL ALL ALL
1970 - 1976 RIVIERA ALL ALL ALL ALL ALL ALL
1970 - 1972 SKYLARK ALL V8 7.5 ALL ALL ALL
1970 - 1972 SPORTWAGON ALL ALL 7.5 ALL ALL ALL
1970 - 1970 WILDCAT ALL ALL ALL ALL ALL ALL

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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