Availability
Valve Springs, 1900 Series Hot Rod, Dual, 1.540 in. O.D., 431 lbs./in. Rate, 1.125 in. Coil Bind Height, Set of 16
Part Number: RSC-PAC-1924-16
Not Yet Reviewed
Estimated Ship Date: Monday 12/8/2025
Estimated Ship Date: Monday 12/8/2025
Valve Springs, 1300 Series Drag Race, Dual, 1.625 in. O.D., 629 lbs./in. Rate, 1.100 in. Coil Bind Height, Set of 16
Part Number: RSC-PAC-1328-16
Not Yet Reviewed
Estimated Ship Date: Monday 12/8/2025
Estimated Ship Date: Monday 12/8/2025
Valve Spring Shims, Hardened, 1.5 in. O.D., 0.570 in. I.D., .015 in./.020 in./.030 in./.050 in. Thick, Set of 64
Part Number: RSC-PAC-KS94
Estimated Ship Date: Monday 12/8/2025
Estimated Ship Date: Monday 12/8/2025
Valve Springs, 1300 Series Drag Race, Triple, 1.645 in. Outside Diameter, 689 lb/in., 0.689 in Inside Diameter, Set of 16
Part Number: RSC-PAC-1349-16
Not Yet Reviewed
Estimated Ship Date: Monday 12/8/2025
Estimated Ship Date: Monday 12/8/2025
Valve Springs, RPM Series, Beehive, Single, 1.061 in. O.D., 308 lbs/in. Rate, 0.950 in. Coil Bind Height, Set of 16
Part Number: RSC-PAC-1217X-16
Not Yet Reviewed
Estimated Ship Date: Monday 12/8/2025
Estimated Ship Date: Monday 12/8/2025
1.522 OD 2.250 1.00" Dual Spring
Part Number: RSC-PAC-1360-16
Not Yet Reviewed
Estimated Ship Date: Monday 12/8/2025
Estimated Ship Date: Monday 12/8/2025
Valve Springs, 1300 Series, Standard Style, Dual, 1.500 in. O.D., 375 lbs./in. Spring Rate, 1.130 in. Coil Bind Height, Set of 16
Part Number: RSC-PAC-1357-16
Not Yet Reviewed
Estimated Ship Date: Monday 12/8/2025
Estimated Ship Date: Monday 12/8/2025
Valve Spring Retainers, 300 Series, Steel, 1.035 in. O.D., Single, Beehive, 10 degree, Set of 16
Part Number: RSC-PAC-R310-16
Estimated Ship Date: Monday 12/8/2025
Estimated Ship Date: Monday 12/8/2025
Valve Spring Retainers, 400 Series, Tall, Titanium, 1.450 in. Outer Spring O.D., 10 degree Lock, Dual Springs, +0.050 in. Installed Height, Set of 16
Part Number: RSC-PAC-R405-16
Not Yet Reviewed
Estimated Ship Date: Monday 12/8/2025
Estimated Ship Date: Monday 12/8/2025
Valve Spring, 1300 Series Drag Race, Dual, 1.500 in. Outside Diameter, 780 lb/in., 0.726 in Inside Diameter, Each
Part Number: RSC-PAC-1356
Not Yet Reviewed
Estimated Ship Date: Monday 12/8/2025
Estimated Ship Date: Monday 12/8/2025
Valve Spring, 1200 Series Drag Race, Triple, 1.645 in. O.D., 687 lbs./in. Rate, 1.130 in. Coil Bind Height, Each
Part Number: RSC-PAC-1248
Not Yet Reviewed
Estimated Ship Date: Monday 12/8/2025
Estimated Ship Date: Monday 12/8/2025
Valve Spring, 1300 Series Drag Race, Dual, 0.900 in. Maximum Valve Lift, 780 lbs./in. Rate, 1.130 in. Coil Bind Height, 1.500 in. O.D., Each
Part Number: RSC-PAC-1329
Not Yet Reviewed
Estimated Ship Date: Monday 12/8/2025
Estimated Ship Date: Monday 12/8/2025
Valve Spring, 1200 Series Drag Race, Dual, 1.550 in. O.D., 644 lbs./in. Rate, 1.150 in. Coil Bind Height, Each
Part Number: RSC-PAC-1225
Not Yet Reviewed
Estimated Ship Date: Monday 12/8/2025
Estimated Ship Date: Monday 12/8/2025
Valve Springs, RPM Series, Beehive, Single, 1.290 in. O.D., 313 lbs/in. Rate, 1.140 in. Coil Bind Height, Set of 16
Part Number: RSC-PAC-1218X-16
Not Yet Reviewed
Estimated Ship Date: Monday 12/8/2025
Estimated Ship Date: Monday 12/8/2025
Valve Spring, RPM Series, Dual, 1.274 in. Outside Diameter, 550 lb/in., 0.630 in Inside Diameter, Set of 16
Part Number: RSC-PAC-1237X-16
Not Yet Reviewed
Estimated Ship Date: Monday 12/8/2025
Estimated Ship Date: Monday 12/8/2025
Valve Springs, Beehive, Single, 1.445 in. O.D., 370 lbs./in. Rate, 1.210 in. Coil Bind Height, Set of 16
Part Number: RSC-PAC-1220-16
Not Yet Reviewed
Estimated Ship Date: Monday 12/8/2025
Estimated Ship Date: Monday 12/8/2025
Dual Spring 600 Series Retainer - Tool Steel Retainer for PAC-1530 & 1335 Dual Valve Springs. Lock angle: mi
Part Number: RSC-PAC-R632-16
Not Yet Reviewed
Estimated Ship Date: Monday 12/8/2025
Estimated Ship Date: Monday 12/8/2025
Valve Spring, 1200 Series Drag Race, Dual, 1.625 in. O.D., 629 lbs./in. Rate, 1.100 in. Coil Bind Height, Each
Part Number: RSC-PAC-1224
Not Yet Reviewed
Estimated Ship Date: Monday 12/8/2025
Estimated Ship Date: Monday 12/8/2025
Valve Spring, 1200 Series Drag Race, Triple, 1.645 in. O.D., 689 lbs./in. Rate, 1.130 in. Coil Bind Height, Each
Part Number: RSC-PAC-1249
Not Yet Reviewed
Estimated Ship Date: Monday 12/8/2025
Estimated Ship Date: Monday 12/8/2025
Valve Spring, 1300 Series Drag Race, Triple, 1.645 in. O.D., 688 lbs./in. Rate, 1.130 in. Coil Bind Height, Each
Part Number: RSC-PAC-1358
Not Yet Reviewed
Estimated Ship Date: Monday 12/8/2025
Estimated Ship Date: Monday 12/8/2025
Valve Spring Shims, Hardened, 1.5 in. O.D., 0.570 in. I.D., 0.050 in. Thick, Each
Part Number: RSC-PAC-S184
Not Yet Reviewed
Estimated Ship Date: Monday 12/8/2025
Estimated Ship Date: Monday 12/8/2025
Valve Spring, 1200 Series Drag Race, Dual, 1.625 in. O.D., 629 lbs./in. Rate, 1.100 in. Coil Bind Height, Each
Part Number: RSC-PAC-1228
Not Yet Reviewed
Estimated Ship Date: Monday 12/8/2025
Estimated Ship Date: Monday 12/8/2025
Valve Spring, 1200 Series Drag Race, Triple, 1.645 in. O.D., 689 lbs./in. Rate, 1.130 in. Coil Bind Height, Each
Part Number: RSC-PAC-1246
Not Yet Reviewed
Estimated Ship Date: Jan 28, 2026 if ordered today
Estimated Ship Date: Jan 28, 2026 if ordered today
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Not Yet Reviewed
Estimated Ship Date: Monday 12/8/2025
Valve Spring Retainers, 400 Series, Titanium, 1.480 in. O.D., Tall, Triple, 10 degree, Set of 16
Part Number: RSC-PAC-R401-16
Not Yet Reviewed
Estimated Ship Date: Monday 12/8/2025
Estimated Ship Date: Monday 12/8/2025
Valve Spring, 1200 Series Drag Race, Triple, 1.645 in. O.D., 682 lbs./in. Rate, 1.130 in. Coil Bind Height, Each
Part Number: RSC-PAC-1247
Not Yet Reviewed
Estimated Ship Date: Monday 12/8/2025
Estimated Ship Date: Monday 12/8/2025
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