LS3/L92 Flat Top Forged Pistons With Rings 4.065" bore, 4.000" stroke, 6.125" rod length, -2cc dome volume

Piston Specifications:

• Block: LS3/L92
• Bore: 4.065"
• Stroke: 4.000"
• Rod: 6.125"
• Comp Heigh: 1.115"
• Weight: 427
• Pin: .927 x 2.500"
• CC's: Flat Top -2.0cc
• Comp Ratio With62cc Head: 12.5
• Comp Ratio With 70cc Head: 11.4
• Comp Ratio With 76cc Head: 10.7
• Ring Set: 09454065

Piston Features:

• 3D milling on piston crowns for ready to install finish
• Valve pockets designed to work with most aftermarket cylinder heads
• Offset pins for quiet operation
• Moly skirt coating for friction loss and skirt wear protection
• Top ring down dimension: .250"
• Ratios figured for .040 head gasket
• Premium 1.2mm x1.2mm x 3.0mm ring package included
• Premium 8620 .185W wrist pins included
• Valve pocket depth: 0.176" intake and .105"exhaust
• 2618 material for High HP-NOS-Boost applications