JE Pistons Sbc 4.135" Pistons -4.5Cc Flat 3.800" St 6.000" Rod 1.100" 281795
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Ideal for Sprint Cars orDirt Late Models, the deepervalve reliefs (.320" int,.260" exh) now accommodatebigger cams and smallerchambers. PrecisionCNC-machined ring grooves nowaccept 1.2, 1.5, 3.0mm ringsfor reduced friction, whileLateral Gas Ports have beenadded for improved ring seal.Pin upgrade to927-2750-17-93S recommendedfor applications over 700HP.This new configurationoutperforms the competitionhands down!
Includes:
- Pin#927-2750-15-51S(130g)
- Double spiro locks#927-042-CS
- Lateralgas ports with accumulatorgrooves
- Double pinoilers
Specifications:
- Part #: J281795
- CID: 408
- Bore:4.135
- Stroke: 3.800
- Rod Length: 6.000
- Block Height: 9.000
- Compression Height:1.100
- CompressionRatio with 40cc chambervolume: 16.5
- Compression Ratio with 45ccchamber volume: 15.2
- Compression Ratio with 50ccchamber volume: 14.1
- Dome Volume: -4.5cc
- Gram Weight: 442
- Footnote: Solid dome design,Oil Rail Support is Included
- Oversize: .010
- Recommended Ring Set(Check Proseal listing todetermine oil ring tension):J75008-4135-5
With over 60 years ofexperience, JE Pistons is theleader in high performanceforged pistons. We've built areputation that thecompetition can only follow.JE has a history ofmanufacturing the highestquality pistons andcomponents that professionalengine builders, race teams,and high performanceenthusiasts trust and relyon.
The top enginebuilders in NASCAR, ALMS,NHRA, AMA Supercross andothers choose JE Pistons overany other brand. For over 60years, JE's position at theforefront of performancepiston manufacturing has beena result of continuousresearch and development ofunique materials, pistondesigns and technologies.Utilising State-Of-The-ArtCNC machines formanufacturing along withpurpose-designed forgings, JEis able to maintain exactingspecifications on each andevery piston and holdtolerances to millionths ofan inch. Also available fromJE is industry-leadingprocesses like Ultra Crown, aDigital Three Dimensionalpiston crown machiningprocess and Finite ElementAnalysis (FEA). FEA is acomputer process wherebystress and fatigue are testedon a computer model before itgoes into production. JE isthe only performance pistonmanufacturer to earn theQS-9000 quality standardwhich confirms that JEprovides customers thehighest standards in qualitycontrol. In addition, we alsohave State-Of-The-Artinspection equipment andtesting equipment whichenables us to constantlybring you, the customer, thevery latest in piston designconfigurations.