DIAMOND PISTON SET - LS2K 12° - 4.125" BORE - 4.000" STROKE - 6.125" ROD - 20CC DISH - 21557-RS-8

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DIAMOND LSX 12° PISTON SET - 4.125" BORE - 4.000" STROKE - 20cc DISH - 21557-RS-8

• 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/1.2mm/3.0mm ring package included • Premium 8620 .185w wrist pins included • Valve pocket depth: 0.178” intake and .108” exhaust • 2618 material for high horsepower, nitrous, and forced induction applications

Features
BTR SKU 21557-RS-8
Length 28.000000
Width 12.000000
Height 5.000000
Weight 15.000000
Brand Diamond Pistons
Part Type Pistons
Piston Style DISH
Piston Volume 20.0cc
Piston Bore Size 4.125"
Piston Stroke 4.000"
Piston Pin Size .927"
Rod Length 6.125"
Engine Type Gen III/Gen IV LS
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