TBS 10203 TBI power up kit for 1986-95 GM TBI Motors

GM TBI power up kit. Includes 1/4" thick injector spacer (design may vary), 14psi regulator spring and instructions on modifying your OEM stock TBI base to add enough fuel and air to support up to a 40hp with power adders such as headers, free flow exhaust intake and small cam upgrades. Adds 14hp on a stock 5.7L TBI motor.

• GM TBI power up kit. Includes impervious to gas polymer injector spacer (design may vary), 14psi regulator spring and instructions on modifying your OEM stock TBI base to add enough fuel and air for up to 40hp gain w/ power adders such as headers, free flow exhaust intake and small cam upgrades. Adds 14hp on a stock 5.7L TBI motor.
• Fits: 1986-95 2.8L 4.3L 5.0L 5.7L TBI motors Silverado Sierra Suburban Yukon Blazer Camaro Firebird Caprice S10 Jimmy. Although this kit will fit 7.4L TBI motors, most came from the factory with a spacer. Please verify before purchase
• The spacer takes the place of your original gasket - no gasket required