LSX Dish Top Forged Pistons With Rings 4.125" bore, 4.000" stroke, 6.125" rod length, -21cc dome volume

Piston Specifications:

• Block: LS2
• Bore: 4.125"
• Stroke: 4.000"
• Rod: 6.125"
• Comp Heigh: 1.115"
• Weight: N/A
• Pin: .927 x 2.250"
• CC's: Dish Top -21.0cc
• Comp Ratio With 62cc Head: 10.1
• Comp Ratio With 70cc Head: 9.5
• Comp Ratio With 76cc Head: 9.3
• Ring Set: 09054125

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 x 1.2mm 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 -Boost applications