KB Performance Forged Piston Kit Twin Cam - KB661C.STD For Harley Motorcycles 2007-2017 SDC 1976-1985 Harley-Davidson Sportster 750 XR

1976-1985 Harley-Davidson Sportster 750 XR 1974-1975 Harley-Davidson XR 1977-1979 Harley-Davidson Café Racer XLCR 1977-1982 Harley-Davidson Low Rider FXS 1977-1978 Harley-Davidson Sportster 1000 XLT 1979-1981

131" Intake Lift 0

Use a unique extended inner collector maximizing performance

Type Oil Pump Units Each Riding Style Street Product Name Relief Valve Spring

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KB Performance Forged Piston Kit Twin Cam - KB661C.STD For Harley Motorcycles 2007-2017 SDC 1976-1985 Harley-Davidson Sportster 750 XRFeatures Pistons forged from 4032 aluminum alloy Offset pin design for quiet operation Each kit contains two pistons, pins, spiral lock pin clips and Hastings moly rings Piston pin lock rings available separately Replacement rings are also available separately Specs Bore Oversize Standard Bore Oversize Standard Units Kit Compression Ratio 10. 0: 1 Riding Style Street Bore Size 4. 000" Piston Material 4032 Aluminum Alloy 2007 2009,2014 2017 Harley