PSI Triple Valve Spring (16) 1.660" OD & 1.130" Coil Bind ISK1250 Tach & Fuel Adapters They are specially heat treated

They are specially heat treated and black oxide finished to protect against corrosion

Holley Performance fuel pumps and modules deliver maximum fuel flow throughout a wide pressure range to support major horsepower

59-460-24BLK

Gloss Blue Straight Silicone Reducer / Expander Hose 1-3/8" (35mm) to 1-1/4" (32mm) I

PSI Triple Valve Spring (16) 1.660" OD & 1.130" Coil Bind ISK1250 Tach & Fuel Adapters They are specially heat treatedPSI Triple Valve Spring (16) 1. 660" OD & 1. 130" Coil Bind395LBS @ 2. 250" Seat Pressure, 1178LBS @ 1. 200" Open Pressure ISK1250 K1250 You can trust PSI valve springs to out perform all others as they are made from the finest materials, the best CNC equipment and state of the art trade secret processing they also utilise special heat treating and additional "Special Processing" for minimal load loss.