Parts Unlimited Piston Kit 77.00 Mm 171R Hirth Engine For Arctic Cat Snowmobiles 1969-1971 | Polaris Charger / Colt / Mustang 1969-1970 Brand_Dk Custom Products Features equal-length stepped headpipes from

Features equal-length stepped headpipes from 1-3/4" into 2" and then 2-1/8"

Made from CNC-machined billet aluminum

Lens Color Black Product Name Cover Units Each Riding Style UTV Riding Style ATV

1993-2003 Honda XR80R 1986-1988 Honda TRX200SX 1986-1989 Honda TRX250R 1986-1987 Honda TRX350 1986-1987 Honda TRX70 1987-1989 Honda TRX350D 1988-2000 Honda TRX300 FourTrax 1988

Does not fit helmets with older SAL or SAI shield type

Parts Unlimited Piston Kit 77.00 Mm 171R Hirth Engine For Arctic Cat Snowmobiles 1969-1971 | Polaris Charger / Colt / Mustang 1969-1970 Brand_Dk Custom Products Features equal-length stepped headpipes fromFeatures High performance, cast pistons closely match original equipment Engineered for the best possible heat transfer from combustion chamber to cylinder walls Rings are replacement for one piston All pistons are priced with ring(s), wrist pins and circlips Specs Bore Size 77. 00 mm Bore Oversize Standard Units Each Piston Material Aluminum Bore Oversize Standard Product Name Piston Kit Stroke Length 68. 00 mm Displacement 634 cc Riding Style Snow