Billet Piston Kit - 9.5:1 - +.020" - 71.50mm Bore - Triumph T120 / TR6 - 650cc - Made in USA

Billet Piston Kit, 9.5:1 Compression Ratio, +.020" Oversize (71.50mm - 2.815" bore), Triumph T120 / TR6, 650cc, Made in USA This kit is NOT for Big Bore Cylinders Fits: T120 Bonneville / TR6 Tiger - 1963-73 - 650cc Models All Pre-Unit Triumph 650cc Models with same size bore Includes: Matched CNC'ed Pair of 4032 Billet Pistons High Performance Piston Ring Set (both pistons) Lightweight, Internally tapered pins (x2) SpiroLoc race-type clips (x2) Features: Lightweight CNC machined 4032 billet pistons 9.5:1 compression ratio Great match for street cam Run great on high octane pump gas Includes best sealing rings Ever! Rapid Seating! Barrel-faced nitrided steel top ring "Napier" cast iron 2nd ring Three-piece oil rings with nitrided steel rails (MAP9007A/7150)