DIAMOND PISTONS - LS7 - 4.130" BORE - 4.000" STROKE - 6.077" ROD -3.84cc VOL - FLAT TOP - 11581-R1-8
In stock
LJMS SKU
11581-R1-8
$972.17
DIAMOND PISTON SET - LS - 4.130" BORE - 4.000" STROKE - 3.84cc VALVE RELIEFS - FLAT TOP - 11581-R1-8
• 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
| LJMS SKU | 11581-R1-8 |
|---|---|
| Brand | Diamond Pistons |
| Part Type | Pistons |
| Piston Bore Size | 4.130" |
| Piston Pin Size | .925" |
| Piston Stroke | 4.000" |
| Piston Style | FLAT TOP |
| Piston Volume | -3.84cc |
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