Wiseco K448X3 Professional Series Forged Dome Piston and Ring Set for GM LS-Series, 4.030-Inch Bore

The Wiseco K448X3 Professional Series piston and ring set is engineered for GM LS-Series performance applications requiring forged strength, precise fitment, and dependable ring sealing. This kit includes a domed forged piston designed for a 4.030-inch bore and a 1.110-inch compression height, making it a suitable choice for performance engine builds that demand durable components and consistent operation.
The domed piston design provides a plus 5.00 cc volume configuration to help builders fine-tune combustion chamber volume and compression characteristics. Its forged construction offers the strength and reliability needed for demanding street, strip, and competition-oriented applications. The piston is paired with a performance ring package featuring 1.2 mm, 1.2 mm, and 3.0 mm ring grooves for efficient sealing and controlled oil management.
Designed as a matched piston and ring kit, the Wiseco K448X3 simplifies component selection during an LS-Series rebuild or upgrade. The precision-oriented design supports proper piston-to-cylinder compatibility when used with a correctly prepared 4.030-inch bore. Always verify compression ratio requirements, piston-to-valve clearance, ring end gap, and other engine specifications before installation to ensure proper fitment and performance.
Wiseco is recognized for producing high-performance engine components for demanding applications. With its forged dome piston, matched ring set, and GM LS-Series compatibility, the K448X3 delivers a practical foundation for builders seeking durable internal components and accurate compression tuning.

Features:

• Brand: Wiseco

• Part Number: K448X3

• Application: GM LS-Series engines

• Construction: Forged piston

• Piston Style: Dome

• Bore Compatibility: 4.030 inches

• Compression Height: 1.110 inches

• Ring Grooves: 1.2 mm, 1.2 mm, and 3.0 mm

• Piston Volume: Plus 5.00 cc

• Kit Contents: Piston and ring set