🚗 Rev Up Your Ride with the TBS Power Up Kit! Perfect for pairing with headers, free flow exhaust, and cam upgrades. Compatible with 1986-95 GM TBI motors including Silverado, Camaro, and more. No gasket required; simply replace your original gasket with our spacer. Transform your ride with a 14hp boost on stock 5.7L TBI motors! Designed to maximize fuel and air flow for enhanced performance. Fits Multiple GM Models Up to 40hp Gain 14psi Regulator Spring The Throttle Body Shop TBS 10203 TBI Power Up Kit is engineered for 1986-95 GM TBI motors, providing a significant performance boost of up to 40hp when combined with other upgrades. This kit includes a durable polymer injector spacer and a 14psi regulator spring, ensuring optimal fuel and air flow. Designed for easy installation without the need for a gasket, it fits a variety of models including Silverado, Camaro, and more.