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Wiseco Forged Piston and Ring Kits K398X3

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Piston and Ring, Forged, Flat, 4.030 in. Bore, Chevy, Kit

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Brand: Wiseco
Manufacturer's Part Number: K398X3
Summit Racing Part Number: WIS-K398X3

Bore (in): 4.030 in.
Bore (mm): 102.362mm
Piston Style: Flat top, with two valve reliefs
Piston Material: Forged aluminum
Compression Distance (in): 1.304 in.
Piston Head Volume (cc): +3.20cc
Wrist Pin Style: Press-fit or floating
Pin Diameter (in): 0.927 in.
Gapless: No
File Fit: Yes
Top Ring Thickness: 1.2mm
Top Ring Material: Steel
Top Ring Facing Material: Gas nitrided
Second Ring Thickness: 1.2mm
Second Ring Material: Cast iron
Second Ring Facing Material: Phosphate coated
Oil Ring Thickness: 3.0mm
Oil Ring Material: Chrome plated carbon steel
Oil Ring Tension: Standard
Quantity: Sold as a kit.
Notes: Designed for Chevrolet LSX engine blocks. Requires aftermarket connecting rods.
In-Store Pickup: Choose In-store pick-up (OH, GA, NV) on our web site.

Purpose-built for most major forms of motorsports, from off-road to rally, and Formula 1 to drag racing, Wiseco forged piston and ring kits are a sure thing! Each forging is designed to optimize the strength-to-weight ratio and maximize performance. Wiseco is unique because they forge all of their own pistons "in-house" and produce all of their own forge tooling--right here in the USA! This allows Wiseco to control "all" aspects of the manufacturing process, from raw bar to skirt coating finished parts. So, for the highest quality forged pistons for your application, make a wise decision--choose Wiseco forged piston and ring kits. They are forged strength for maximum power!


Some parts are not legal for sale or use in California on any pollution-controlled motor vehicles

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