WEAPON-X: High Pressure Fuel Pump Spring [Camaro Corvette CTS V, LT1 LT4 LT5]

Vendor: WEAPON-X Motorsports

SKU: 5464

$199.00 $249.00
This spring is made for the LT1 and LT4 high pressure pumps when you're using a cam with the 32-38% overdrive lobe for more fuel.  The high pressure pumps are...
Title

This spring is made for the LT1 and LT4 high pressure pumps when you're using a cam with the 32-38% overdrive lobe for more fuel.  The high pressure pumps are very specific with respect to the amount of preload they need as well as spring pressure since the ramp rates are modified.

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