Powermaster Staggered Mount Starter - SB Chevy 121027 Works with GM automatic transmissions

Works with GM automatic transmissions using a lockup style torque converter and a mechanical speedometer

Dual Spring / Samper

Utilizes commonly available and affordable GM alternators and power steering pumps

Chain Lube

Powermaster Staggered Mount Starter - SB Chevy 121027 Works with GM automatic transmissionsPermanent Magnet Delco Starter Clears All Headers 4. 4: 1 Gear Reduction Ratio Cranking Power for up to 10. 5: 1 Compression Mounting Bolts Included Dyno Test Results Included Weight: 8. 5 lbs. Powermaster produces alternators and starters for both street rod and racing applications. They also offer related accessories, including brackets, wiring harnesses, pulleys, and drive kits. Powermaster Motorsports is the leader in high performance alternators