• XS Torque starter, 200 ft/lb torque
• Chevy, 168 tooth flywheel
• 3-hole, staggered mount
• 4.4:1 gear reduction
• No heat soak problems
• Recommended for 18:1 compression
• Machined aluminum adapter block
• Clears MOST oil pans & headers
• Very high efficiency rating
• Weighs 8.5 lbs