Sportsman Racing Products Piston 400 Inverted Dome Forged 4.155 in Bor 139625
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Sportsman Racing Products Piston 400 Inverted Dome Forged 4.155 in Bor
This piston set is idealfor oval track tostreet/strip applications, itis forged from high silicon4032 aluminium alloy.Features include CNC machinedring grooves and forced pinoiling. Piston set accepts1/16, 1/16, 3/16 rings.
Includes:
- Spiro Lock:927-042-CS
- StraightWall Pin:927-2750-15-51S(130g)
Specifications:
- Part #: SRP139625
- CID: 400
- Bore:4.155
- Stroke: 3.750
- Rod Length: 5.700
- Compression Height:1.425
- CompressionRatio with 58cc chambervolume: 10.4
- Compression Ratio with 64ccchamber volume: 9.8
- Compression Ratio with 70ccchamber volume: 9.2
- Dome Volume: -21cc
- Gram Weight: 485
- Footnote:
- Oversize:0.030
- RecommendedRing Set (Check Proseallisting to determine oil ringtension): J100F8-4155-5
SRP Pistons wasfounded in 1997 by JEPistons, the world's largestmanufacturer of forged racingpistons. The idea was simple,to create a high qualityforged piston at anaffordable price. Every SRPforging was created withquality, performance andaffordability in mind. Bydesigning dedicated forgings,the pistons became bothlighter and stronger whilemachining time and scrapaluminium were drasticallyreduced. These factors havereduced the price of SRPPistons and contributed totheir success. Today, over400 different piston partnumbers comprise the SRPproduct line-up, includingChevy, Ford, Chrysler, Hondaand more.