H&R 2.5 inch ID Single Race Spring Length 18 inch Rate 500 lbs/inch 1983-yamaha-yz125-esi9365072 The Edelbrock #61159 Performer RPM

The Edelbrock #61159 Performer RPM cylinder head features fully CNC machined combustion chambers along with CNC profiled bowls and port entries/exits for improved air flow

Year Make Model Submodel 1990-1993 Chevrolet C1500 454 SS 1994-1997 Chevrolet C1500 Base 1988-1998 Chevrolet C1500 Cheyenne 1988-1992 Chevrolet C1500 Scottsdale 1988-1998 Chevrolet C1500 Silverado 1990-1998 Chevrolet C1500 WT 1992-1996 Chevrolet C1500 Suburban Base 1996 Chevrolet C1500 Suburban LS 1996 Chevrolet C1500 Suburban LT 1992-1993 Chevrolet C1500 Suburban Silverado 1994-1997

Year Make Model Submodel 2005-2010 Scion tC Base 2007-2008 Scion tC Spec 2008-2015 Scion xB Base 2005-2006

Year Make Model Submodel 2017-2021 Triumph Bonneville T100 Base 2016-2021 Triumph Bonneville T120 Base 2017-2021 Triumph Street Scrambler Base 2016-2021 Triumph Street Twin Base

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H&R 2.5 inch ID Single Race Spring Length 18 inch Rate 500 lbs/inch 1983-yamaha-yz125-esi9365072 The Edelbrock #61159 Performer RPMH&R 2. 50" I. D. Race Springs are made with extremely high tensile strength wire alloy which allows the use of a thinner wire. Manufactured using advanced materials and precision technology in Germany, H&R 2. 50" I. D. Race Springs are crafted from special lightweight (hf) 54SiCr6 spring steel. For any given spring rate, they are on average 15% lighter and have 10% more travel than competitors' springs. Main springs range from 6" to 18" in length and