Wiseco Mitsu Evo 4-9 4G63 Asymmetric Skirt Bore 86.00mm - Size +.040 - CR 9.5 Piston Set 2020-polaris-rzr-900-esi9953354 1981 Mercury Marquis Base 1971-1973

1981 Mercury Marquis Base 1971-1973

Year Make Model Submodel 1986-1989 Honda TRX250R Base

9% CFM GAIN (passenger side) to your engine and provides an increase of 27

from the stitching on the seats to the roar of the engine

Wiseco Mitsu Evo 4-9 4G63 Asymmetric Skirt Bore 86.00mm - Size +.040 - CR 9.5 Piston Set 2020-polaris-rzr-900-esi9953354 1981 Mercury Marquis Base 1971-1973Professional Series forged racing pistons from Wiseco are no expense spared pistons designed for the serious racers and builders. Packed full of custom level performance and durability features and provided with premium rings, Professional Series pistons are designed and built for use in heavy to severe duty race builds. Remove your limits with Wiseco? s Professional Series.