PSI Dual Valve Spring (16) 1.625" OD & 1.130" Coil Bind ISK1224 Bring It Fuel injected engines: Up to

Fuel injected engines: Up to 3400 FWHP - naturally aspirated Up to 2600 FWHP - forced air induction Carburetted engines: Up to 3600 FWHP - naturally aspirated Up to 2700 FWHP - forced air induction E85 Compatible

With AFR's 3/4" thick head deck

With 11/32" Stem (Set of 32)

5 13B Billet EFI Fuel Rails - BlackSuit 14mm 3/4 Length Fuel Injectors

PSI Dual Valve Spring (16) 1.625" OD & 1.130" Coil Bind ISK1224 Bring It Fuel injected engines: Up toPSI Dual Valve Spring (16) 1. 625" OD & 1. 130" Coil Bind275LBS @ 2. 000" Seat Pressure, 750LBS @ 1. 200" Open Pressure ISK1224 K1224 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.