Fits Holley 4160 style Carburetors with 8-21/32 Inch Centers LBZ/LMM Durmax " Dyno-Proven Gains up to +16

Dyno-Proven Gains up to +16 HP and +44 Lbs

Lightweight Comfort: Designed for long-wear comfort

It eliminates potential low fuel rail pressure DTC codes P1093 or P0087 (low fuel rail pressure during power enrichment) that are caused by insufficient pressure relief valve (PRV) spring pressure

17 percent larger turbo inlet size

Fits Holley 4160 style Carburetors with 8-21/32 Inch Centers LBZ/LMM Durmax " Dyno-Proven Gains up to +16Fits Holley 4160 style carburetors with 8 21 32 inch center to center fuel inlet spacing. These fuel lines are not only great looking but are very functional. They incorporate a small, convenient 1 1 2 inch diameter fuel pressure gauge. The gauge is designed to read in 1 2 PSI (pounds per square inch) increments and has a range of 0 15 PSI. Inverted flare female inlet thread size 5 8 18.