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11-12 Psi to 28-29 Psi Fuel Pressure Spring Replacement for TBS 10322 GM,Compatible with 1986-1995 2.8L 4.3L 5.0L 5.7L 7.4L TBI Motors.

4.3 (1) Write Review
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$9.99

$ 4 .99 $4.99

In Stock

About this item

  • 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.


Support 11-12psi to 28-29psi,need a rated fuel pump to support 28PSI output.


Xyz
Reviewed in the United States on April 18, 2025
Definitely boosts pressure to around 30psi with the fe0114 vertec pump. Recently converted a 454 to the 94/95' pressure specs. You will have to do some tuning if you use this spring or it will be way too rich
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