High-Rate Fuel Pressure Spring and Lash Cap Kit

High-Rate Fuel Pressure Spring and Lash Cap Kit

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Your Price: $169.00
Part Number:PART #100132242
The High-Pressure  Fuel Pump Spring and Lash Cap Kit we offer is made for the LT1 and LT4 high pressure fuel pumps (it sits in the valley area of the engine block, underneath the intake manifold) when using a new camshaft with an overdriven fuel pump lobe (32-38%) for more fuel volume.  High pressure pumps are very specific with respect to the amount of preload and spring pressure they need, since the new camshaft ramp rates are much higher than stock. This kit includes the correct length spring and lash cap, to make up for the smaller base circle of the fuel pump lobe used on most new aftermarket camshafts.