Manley 46361-8 Forged Piston Kit LS 4.130" Bore with Ring Set

The Manley 46361-8 forged piston kit is engineered specifically for Chevrolet Small Block LS series engines with a 4.130-inch bore diameter. These high-performance pistons are precision-machined from premium forged aluminum alloy, providing exceptional strength and durability for high-output LS builds.

Key Features:

• 4.130-inch bore diameter designed for LS engine applications
• Complete ring set included: 1.5mm top ring, 1.5mm second ring, and 3mm oil ring
• Forged aluminum construction for superior strength-to-weight ratio
• Precision CNC-machined ring grooves and pin bores
• Optimized dome design for improved combustion efficiency
• Engineered for high-performance street and racing applications

This 8-piston kit includes everything needed to rebuild your LS engine's rotating assembly. Manley's pistons are manufactured to exacting tolerances, ensuring proper ring seal, reduced blow-by, and maximum horsepower potential. The included ring set features low-tension designs that minimize friction while maintaining excellent cylinder sealing.