Manley 592107CE-8 Platinum Series Extreme Duty Flat Top Piston Set 3.905" Bore LS1/LS2/LS6

The Manley 592107CE-8 is a Platinum Series Extreme Duty forged piston set designed for Chevrolet LS-1, LS-2, and LS-6 engines with a 3.905" bore.

Key Specifications:

• Bore Diameter: 3.905"
• Compression Distance (CD): 1.313"
• Rod Length: 6.125"
• Stroke: 3.622"
• Pin Diameter: .927"
• Piston Weight: 425 grams (each)
• Top Ring Width: .175" / Oil Ring: .150"
• Compatible Ring Set: Manley P/N 46107-8 or 46107ST-8
• Application: GM LS-1, LS-2, LS-6 (15° cylinder heads)

Platinum Series Extreme Duty Features:

• Forged from domestic 2618 alloy for superior strength in high-temperature and high-stress environments
• Extreme Duty (CE) designation — includes premium 9310 alloy wrist pins (P/N 42542: 2.300" x .210" wall) for increased durability under extreme load
• Contour forgings deliver an optimum balance of strength and weight without grain-interrupting internal milling
• Proprietary multi-step top ring groove machining ensures precise control of groove size, geometry, flatness, and finish for superior ring seal
• Unique single-fixturing manufacturing method achieves perfect ring groove-to-skirt squareness for maximum horsepower
• Cam and barrel skirt profiles for enhanced power output while minimizing cylinder wall wear
• Offset wrist pin design for quieter start-ups and improved performance
• Pressure balance grooves and roundwire locks included

Manley Platinum Series Extreme Duty pistons are a top choice for professional engine builders and performance tuners running boosted, nitrous, or high-compression LS builds. Compatible ring sets sold separately (Manley P/N 46107-8 standard or 46107ST-8 Total Seal).