Tuff Stuff Performance Gear Reduction Starter - 18:1 w/Offset Mounting Block - SB Chevy/BB Chevy -168 Tooth Flywheel - Zinc BR20041 Measures 9/16" nominal height of

Measures 9/16" nominal height of adapter only

73 and Down Ratio

we are able to test functionality and fatigue properties in our Dynamics Laboratory

Boost proportional retard when used with optional boost (MAP) sensor to control amount of retard per PSI of boost pressure

Before purchase please verify if you have New Body Style or Legacy (Chevy)/Limited (GMC) on 2019 Silverado/Sierra 1500 - This part is for the Legacy/Limited Body Style

Tuff Stuff Performance Gear Reduction Starter - 18:1 w/Offset Mounting Block - SB Chevy/BB Chevy -168 Tooth Flywheel - Zinc BR20041 Measures 9/16" nominal height ofTuff Stuff starters are hand made from premium quality new components not remanufactured and are quality built in USA. Most Gear Reduction style starters, which are considerably smaller than the OE starters, incorporate a mounting block that can be indexed to gain additional clearance. Starters include mounting bolts and shims where applicable. Ideal for high horsepower muscle cars, hot rods, trucks and daily drivers. Finishes include chrome plated,