For modified motors it bumps stock TBI fuel pressure from 11-12psi to 28-29psi - fits OEM regulator can
This spring will require a fuel pump upgrade for the increased pressure - see our store for this
Silverado Sierra Suburban Yukon Blazer Camaro Firebird Caprice S10 Jimmy
Color is to help identify this spring within our product line and is not intended to match OEM spring colors - coloring can be removed by some chemicals
GM TBI 28psi "SILVER" fuel regulator replacement spring for 1986-95 GM TBI motors