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Lower runner flow will result in slightly lower peak horsepower
be sure your tolerances are correct by replacing your high mileage guides with brand new aftermarket valve guides
Each output is over-current
9310 alloy upgraded wrist pins are available
609305CE-6 Manley Forged Turbo Tuff Pistons Toyota Supra MK4 2JZ 2JZ-GTE 2JZ-GE 86.5mm +0.5mm -1 cc 10.0:1 main stud kit Lower runner flow will result2JZ PLATINUM SERIES TURBO TUFF PISTONS 2618 high strength material 2. 250 x . 250" wall 9310 alloy pin included P N 42552 Moly Coated Skirts Pressure balance groove Will accommodate +1mm valve sizes Vertical Gas Ports designed for high HP Race Engines Premium Steel top rings with Napier seconds and round wire locks included Recommended piston clearance . 0035" measured . 850" from the bottom of the oil ring