Wiseco leads the performance aftermarket by producing the highest quality forged pistons for domestic automobiles, sport compact and racing applications right here in the USA. Wiseco is unique because we forge all of our own pistons in house, and produce all of our own forge tooling right here in the USA. This allows us to control all aspects of our manufacturing process from raw bar to skirt coating finished parts.
In addition, in-house dyno testing gives Wiseco the ability to develop state-of-the-art technology such as new shapes, coatings, and components, and lead the industry through rigorous R&D. Linking all segments of Wiseco’s organization through design, testing, manufacturing, and distribution allows us to fulfill market needs with minimum lead-times.
Extreme racing conditions demand the strength and toughness that only forged pistons can offer. Compared to cast pistons, forgings are tougher and more durable, and will stand up to the abuse that high performance motorsport applications require. Most castings are brittle, have no grain structure and tend to fail catastrophically when the material yield strength is exceeded. Forgings have condensed grain that is aligned to the features of the part, which produces higher mechanical properties, and resistance to impact and fatigue. Each forging is designed to optimize the strength-to-weight ratio, and maximize performance.
Piston Specifications:
- Stroke: 3.622" (92mm)
- Rod Length: 5.364" (136mm)
- Compression Height: 1.140" (28.95mm)
- Head cc's: 45
- Dome Dish: -17
- Gasket Thickness: .036-0.91
- Deck Clearance: 0
- Block Height: 8.317 (211.25mm)
- Pin Diameter: 22mm
Compression Ratio:
Part Number: WSC-K655M86 = 8.9 (Standard Bore)
Part Number: WSC-K655M865 = 8.9 (.020 Bore)
Part Number: WSC-K655M87 = 8.9 (.040 Bore)
Part Number: WSC-K655M89 = 8.9 (.120 Bore)
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