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Product Details
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Overview
DIAMOND LSX 15° PISTON SET - 4.030" BORE - 4.000" STROKE - 15cc 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
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Product Specifications
Brand
Diamond Pistons
Btr Sku
21539-RS-8
Engine Type
Gen III/Gen IV LS
Height
5.000000
Length
28.000000
Part Type
Pistons
Piston Bore Size
4.030"
Piston Pin Size
.927"
Piston Stroke
4.000"
Piston Style
DISH
Piston Volume
15.0cc
Rod Length
6.125"
Weight
15.000000
Width
12.000000