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491" Shaft Dia
600 CFM 4-Barrel Street Carburettor - Shiny FinishVacuum Secondary
illuminated gear shift indicator and GM wiring (4-1/4 in
Has clearance for HEI distributor
PSI Triple Valve Spring (16) 1.660" OD & 1.130" Coil Bind ISK1247 No product found for sku 491" Shaft DiaPSI Triple Valve Spring (16) 1. 660" OD & 1. 130" Coil Bind340LBS @ 2. 070" Seat Pressure, 940LBS @ 1. 270" Open Pressure ISK1247 K1247 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.
US$ 675.00
US$ 1195.00
US$ 3495.00