Diamond LSX Dish Top Forged Pistons With Rings (D21544-RS-8)
4.125" bore, 4.000" stroke, 6.125" rod length, -21cc dome volumeD21544-RS-8 - LSX 4.125" PISTONS -21cc DISH
4.125" bore, 4.000" stroke, 6.125" rod length, -21cc dome volume
Part Number: D21544-RS-8
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