Proform's New addition to the line of Race Series Starters is designed to fit Oldsmobile and Pontiac V8 engines 1965 to 1982. This 1.4 kilowatts starter has a 14.0:1 compression ratio and a 4.41:1 gear reduction ratio, ideal for racing applications or engines with monster cubic Inches or compression ratios. The torque generated from these starters will stand up to the challenge on race day. As with all starters Proform produces, these starters are 100 Percent New, not rebuilt, for maximum longevity and optimum performance. After assembly, each starter is individually tested at the factory, so enthusiasts need not use their vehicle as a testing lab. Attention California Residents (Prop 65): This product can expose you to chemicals Chromium (hexavalent compounds), which is (are) known to the State of California to cause birth defects or other reproductive harm.