Unlock peak performance for your classic Che vy engine with the precision-engineered ​​SB BB Mini Starter Shim Kit​​. Designed for seamless compatibility with SBC (Small Block Ch evy) and BBC (Big Block Ch evy) 350 engines, this kit features ​​knurled stud bolts​​ that eliminate slippage during installation, ensuring a rock-solid hold even under high-torque conditions. The corrosion-resistant zinc plating withstands engine heat and oil exposure, while laser-calibrated shims provide perfect starter alignment—reducing gear wear and preventing frustrating "grinding noise." Ideal for restorations or daily drivers, this kit includes multiple shim thicknesses (0.5mm/1.0mm/1.5mm) to accommodate engine block variations. The patent-pending tapered bolt design simplifies installation—no specialty tools needed! Backed by 10,000+ successful installations, it's the trusted choice for Che vy enthusiasts seeking reliability. Pair it with high-torque mini starters for faster ignition in cold weather. Transform your 1970-2000 Camaro, Sil ve rado, or Impala into a smooth-cranking powerhouse!