11-12 Psi to 28-29 Psi Fuel Pressure Spring

• This spring need a rated fuel pump to support 28PSI (or better) output.
• Replacement for 1986-95 2.8L 4.3L 5.0L 5.7L 7.4L TBI motors
• Also compatible with Silverado Sierra Suburban Yukon Blazer Camaro Firebird Caprice S10 Jimmy
• Solved the TBI stuck and fuel delivery randomly shutting down problem.
• 产品描述：Support 11-12psi to 28-29psi,need a rated fuel pump to support 28PSI output.
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