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DISCOUNTS FOR ALL ACTIVE AND VETERAN EDUCATORS FIREFIGHTERS LAW ENFORCEMENT MEDICAL MILITARY CALL CHAT EMAIL TEXT FOR MORE DETAILS MAY EXCLUDE CERTTAIN ITEMS AND SOME RESTRICTIONS APPLY

MANLEY PLATINUM SERIES Standard Pistons [Bore Size mm 99.75 | Over Size +.25mm | Rod Length 5.137\" | Comp Distance 1.209\" | Dome Volume (cc) -10 | Cylinder Head (cc) 51 | Comp Ratio 9.8 | Piston Type Dish | Piston Wt/Gms 433] (SUBARU EJ257)

MANLEY PLATINUM SERIES Standard Pistons [Bore Size mm 99.75 | Over Size +.25mm | Rod Length 5.137" | Comp Distance 1.209" | Dome Volume (cc) -10 | Cylinder Head (cc) 51 | Comp Ratio 9.8 | Piston Type Dish | Piston Wt/Gms 433] (SUBARU EJ257)

$712.14

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2618 high strength material
Offset wrist pin for quiet start-ups
2.500" x .180" wall Premium Chrome Moly pin (Standard Series) included P/N 42346
9310 alloy .250" wall pin (Extreme Duty Series) included P/N 42547
Pressure balance groove
Will accommodate +1mm valve sizes
Premium Steel top rings with Napier seconds and round wire locks included
Recommended piston clearance: .003" for mildly boosted and .0035" for highly boosted measured .850" (79/83mm stroke) and 1.100" (75mm stroke) from the bottom of the oil ring

Pistons include Napier style second rings and higher tension oil rings for improved oil control

79mm STD STROKED (2.5L)


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  • Model: 632302C-4
  • FROM: MANLEY

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we added this on Monday 21 September, 2020.

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