This 3HP, high-torque, gear-reduction, block-mount Chevy mini starter offers 3.75:1 gear reduction. The in-line mounting block fits either 153 or 168 tooth flywheels and has rotation holes for added clearance. Mounting bolts and shim kit are included.Spec Sheet: Allstar Spec SheetCompatibility:Fits small block Chevrolet applications using 153-tooth or 168-tooth flywheels/flexplates, up to 11:1 compression ratio.FAQWhat flywheel tooth counts does this fit?This starter fits 153-tooth or 168-tooth flywheels.What is the max compression ratio?The max compression ratio is 11:1.What comes included?Mounting bolts and a shim kit are included.{"@context": "https://schema.org", "@type": "FAQPage", "mainEntity": [{"@type": "Question", "name": "What flywheel tooth counts does this fit?", "acceptedAnswer": {"@type": "Answer", "text": "This starter fits 153-tooth or 168-tooth flywheels."}}, {"@type": "Question", "name": "What is the max compression ratio?", "acceptedAnswer": {"@type": "Answer", "text": "The max compression ratio is 11:1."}}, {"@type": "Question", "name": "What comes included?", "acceptedAnswer": {"@type": "Answer", "text": "Mounting bolts and a shim kit are included."}}]}
