Availability
Valve Springs
Valve Spring, Dual, 1.539 in. Outside Diameter, 498 lbs./in. Rate, 1.175 in. Coil Bind Height, Each
Part Number: CCA-927-1
Not Yet Reviewed
Estimated Ship Date: May 14, 2026 if ordered today
Estimated Ship Date: May 14, 2026 if ordered today
Valve Springs, Dual, 1.500 in. Outside Diameter, 800 lbs./in. Rate, 1.130 in. Coil Bind Height, Each
Part Number: MAN-221456-1
Not Yet Reviewed
Estimated Ship Date: May 4, 2026 if ordered today
Estimated Ship Date: May 4, 2026 if ordered today
Valve Spring, Dual, 1.620 in. Outside Diameter, 640 lbs./in. Rate, 1.110 in. Coil Bind Height, Each
Part Number: CCA-951-1
Not Yet Reviewed
Estimated Ship Date: May 14, 2026 if ordered today
Estimated Ship Date: May 14, 2026 if ordered today
Valve Spring, Dual, 1.554 in. Outside Diameter, 467 lbs./in. Rate, 1.180 in. Coil Bind Height, Each
Part Number: CCA-935-1
Not Yet Reviewed
Estimated Ship Date: May 14, 2026 if ordered today
Estimated Ship Date: May 14, 2026 if ordered today
LS Dual Springs, Solid Roller, .750 Max Lift @ 250 Lb. seat @ 1.800 Installed, 700 Lb. @ 1.050 Open, .985 C.B., 1.274 Dia., .600 Rate, Like PAC 1238X.
Part Number: SUM-174012DP-1
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Valve Spring, 1200 Series Circle Track, Dual, 1.550 in. O.D., 550 lbs./in. Rate, 1.100 in. Coil Bind Height, Each
Part Number: RSC-PAC-1243
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
LS Dual Springs, Hyd. Or LLSR .750 Max Lift @ 160 Lb. seat @ 1.800 Installed, 510 Lb. @1.100 Open, 1.000 C.B., 1.324 Dia., 500 rate, Like PAC 1209X.
Part Number: SUM-174011DP-1
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Valve Spring, LS, Dual, 1.295 in. O.D., 1.060 in. Coil Bind Height, 407 lbs./in. Rate, Each
Part Number: HRS-98118-1
Not Yet Reviewed
Estimated Ship Date: May 14, 2026 if ordered today
Estimated Ship Date: May 14, 2026 if ordered today
Valve Springs, Dual Spring, 1.304 in Diameter, 409 Lbs/in. Spring Rate, 1.800 in Installed Height, Chevy, Each
Part Number: MEL-466594
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Valve Spring, Dual, 1.470 in. Outside Diameter, 399 lbs./in. Rate, 1.080 in. Coil Bind Height, Each
Part Number: HRS-98445-1
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Valve Springs, Dual, 1.539 in. Outside Diameter, 510 lbs./in. Rate, 1.150 in. Coil Bind Height, Single
Part Number: HRS-98630-1
Not Yet Reviewed
Estimated Ship Date: May 14, 2026 if ordered today
Estimated Ship Date: May 14, 2026 if ordered today
DUAL VALVE SPRING
Part Number: HRS-98037
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Valve Spring, Dual, 1.580 in. Outside Diameter, 535 lbs./in. Rate, 1.170 in. Coil Bind Height, Each
Part Number: MAN-221443-1
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Valve Springs, Dual, 1.570 in. Outside Diameter, 575 lbs./in. Rate, 1.215 in. Coil Bind Height, Set of 16
Part Number: MAN-221441P-16
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Valve Springs, Dual, 1.550 in. Outside Diameter, 484 lbs./in. Rate, 1.200 in. Coil Bind Height, Set of 16
Part Number: MAN-22430-16
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Valve Spring, Nex Tek, Dual, 1.324 in. Outside Diameter, 435 lbs/in., Each
Part Number: MAN-221421-1
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Valve Springs, Heavy-Duty, Dual, with Damper, 1.450 in. Outside Diameter, 1.125 in. Coil Bind Height, Set of 16
Part Number: EW1-940-16
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Valve Springs, Heavy-Duty, Dual, with Damper, 1.550 in. Outside Diameter, 1.19 in. Coil Bind Height, Set of 16
Part Number: EW1-985-16
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Valve Springs, Heavy-Duty, Dual, with Damper, 1.560 in. Outside Diameter, 1.19 in. Coil Bind Height, Set of 16
Part Number: EW1-989-16
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Valve Springs, PAC Racing, Dual, 1.560 in. Outside Diameter, 500 lbs./in. Rate, 1.100 in. Coil Bind, Each
Part Number: TFS-16318-1
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Valve Spring, 1200 Series, Dual, 1.300 in. Outside Diameter, 408 lb/in., 0.655 in. Inside Diameter, Each
Part Number: RSC-PAC-1221
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Valve Spring, 1500 Series, Dual, 1.474 in. O.D., 525 lbs./in. Rate, 1.195 in. Coil Bind Height, Each
Part Number: RSC-PAC-1590
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
LS Dual Springs, Hyd. Roller,.650 Max Lift @ 160 Lb. seat @ 1.800 Installed, 425 Lb. @ 1.125 Open, 1.020 C.B., 1.304 Dia., 392 Rate, Like PAC 1905 ea.
Part Number: SUM-174010D-1
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
LS Dual Springs, Solid Roller, .750 Max Lift @ 250 Lb. seat @ 1.800 Installed, 700 Lb. @ 1.050 Open, .985 C.B., 1.274 Dia., .600 Rate, Like PAC 1238X
Part Number: SUM-174012DP-16
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
SBC or BBC 1.500 Dual Springs, Advanced S.R. .850 Max Lift @ 275 Lb. seat @ 2.050 Installed, 938 Lb. @ 1.200 Open, 1.130 C.B., 780 Rate, 144g PAC 1330
Part Number: SUM-174040DP-16
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
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