LS7 Asymmetrical FSR Dish Top Forged Piston4.155" bore, 4.000" stroke, 6.125" rod length, -33.6cc dome volumeBrand: JEPart Number: J312050Description: GM LS Dish Top Our brand new Asymmetrical FSR (Forged Side Relief) forging design allows for the use of the mostpopular stroke and rod combinations while eliminatingreluctor wheel clearance problems. Asymmetrical forgingdesign maintains a larger skirt on the heavily stressed major thrust side, while reducing friction with a smaller skirt on the minor thrust side. The result is a high strength, lightweight piston that significantly reduces friction in your engine. Lightweight and extremely durable, these pistons are machined for 1.2mm, 1.5mm, 3.0mm rings.
Includes:
- .927 x 2.250 straight wall carbon steel wrist pin
- Wire locks
Specifications :
- Part #: J312050
- Bore: 4.155"
- Oversize: .030 LS7
- Stroke: 4.000
- Rod Length: 6.125"
- Compression Height: 1.115"
- Compression Ratio with 64cc chamber volume: 9.3
- Compression Ratio with 68cc chamber volume: 9.0
- Compression Ratio with 70cc chamber volume: 8.8
- Dome Volume: -33.6cc
- Gram Weight: 425
- Footnote: Forged Side Relief / Forced Induction
- Reconmended Ring Set: JG31F8-4155-3
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Timestamp: 2025-04-03 19:17:52 | Product Handle: j312050
Content Source: www.stealthride.co.nz
