Wiseco 60011RB8 Professional Series Forged Piston Chrysler SB 340-360 4.080in Bore +8CC Dome 1.460in CH

The Wiseco 60011RB8 is a Professional Series forged racing piston engineered for Chrysler small block 340 and 360 LA engines. Featuring a 4.080 in. bore, +8cc dome volume, and 1.460 in. compression height, this shelf-stock piston is purpose-built for high-compression race builds requiring proven strength and precision. Sold individually (single piston).

Key Specifications:

• Bore: 4.080 in.
• Compression Height (CH): 1.460 in.
• Pin Diameter: 0.984 in.
• Dome Volume: +8cc
• Rod Length: 6.123 in.
• Piston Weight: 550 grams
• Compression Ratio @ 68cc head: 13.3:1
• Compression Ratio @ 65cc head: 13.8:1

Professional Series Features:

• Engineered, forged, and machined in the USA from 2618 aluminum alloy for superior tensile strength
• ArmorGlide skirt coating — seizure resistant, reduces friction, and quiets piston operation in the bore
• Precision CNC-machined ring grooves for maximum ring seal and minimized blow-by and oil consumption
• Valve pocket designs that allow maximum flow around the valve and accommodate oversized valves and high-lift camshafts
• Dome profile optimized for quench during the compression/combustion cycle to resist detonation and pre-ignition
• Complex piston skirt profiles that reduce friction while maintaining bore stability for optimum ring seal
• ISO-certified forging facility utilizing feature-aligned grain flow technology
• Chromoly wrist pins and Spirolox retainers included

Wiseco Professional Series pistons are designed for severe-duty race builds in Chrysler/Dodge/Plymouth small block LA engines. Whether building a naturally aspirated high-compression race motor or a forced induction application, the 60011RB8 delivers the durability and precision tolerances demanded by serious engine builders.