Howards Valve Spring Set 98633; Max Effort 486 lbs/in Dual Spring 1.557 OD. Engine Valve Spring Set Model or Series: Max Effort Number Of Coils: Dual Spring Damper Spring: Yes Overall Diameter: 1.557 in. Inside Diameter: 0.731 in. Spring Height: 1.950 in. Seat Pressure: 224 lbs at 1.900 in. Open Pressure: 540 lbs at 1.250 […]
PAC Springs Engine Valve Spring Set PAC-1914-16; 367 lbs/in Dual Spring 1.49 OD. Engine Valve Spring Set Model or Series: Hot Rod-Series Number Of Coils: Dual Spring Damper Spring: No Overall Diameter: 1.490″ Inside Diameter: 0.810″ Spring Height: 1.800″ Seat Pressure: 165 lbs at 1.800″ Open Pressure: 385 lbs at 1.200″ Coil Bind: 1.075″ Spring […]
PAC Springs Valve Spring Set PAC-1210X-16; 291 lbs/in Single Spring 1.245 OD. Engine Valve Spring Set Model or Series: 1204 Series Number Of Coils: Single Spring Damper Spring: No Overall Diameter: 1.245″ Inside Diameter: 0.891″ Spring Height: 1.750″ Seat Pressure: 87 lbs at 1.700″ Open Pressure: 212 lbs at 1.270″ Coil Bind: 1.150″ Spring Rate […]
Valve Spring Set 98543; Pacaloy 550 lbs/in Dual Spring 1.550 OD. Engine Valve Spring Set Model Or Series.
PAC Springs Valve Spring Set PAC-1225-16; 644 lbs/in Dual Spring 1.550 OD. Engine Valve Spring Set Model or Series: 1200-Series Drag Race Number Of Coils: Dual Spring Damper Spring: No Overall Diameter: 1.550 OD Inside Diameter. : 644 lbs/in Max Lift. 1200 Series Drag Racing Springs offer the latest technology in alloy and heat treating, […]