Availability
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: Aug 22, 2025 if ordered today
Estimated Ship Date: Aug 22, 2025 if ordered today
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Not Yet Reviewed
Estimated Ship Date: Monday 8/4/2025
Valve Spring Retainers, 500 Series, Titanium, 1.475 in. Outer Spring O.D., 10 degree Lock, Triple Springs, Each
Part Number: RSC-PAC-R501
Not Yet Reviewed
Estimated Ship Date: Monday 8/4/2025
Estimated Ship Date: Monday 8/4/2025
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 8/4/2025
Estimated Ship Date: Monday 8/4/2025
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 8/4/2025
Estimated Ship Date: Monday 8/4/2025
Valve Spring, 1300 Series Circle Track, Dual, 1.550 in. O.D., 644 lbs./in. Rate, 1.150 in. Coil Bind Height, Each
Part Number: RSC-PAC-1325
Estimated Ship Date: Sep 8, 2025 if ordered today
Estimated Ship Date: Sep 8, 2025 if ordered today
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 8/4/2025
Estimated Ship Date: Monday 8/4/2025
Valve Spring, Specialty and Class Specific, Beehive Series, Single, 436 lbs./in. Rate, 1.190 in. Coil Bind Height, Each
Part Number: RSC-PAC-1409X
Not Yet Reviewed
Estimated Ship Date: Monday 8/4/2025
Estimated Ship Date: Monday 8/4/2025
Valve Spring, 1200 Series Circle Track, Dual, 1.550 in. O.D., 526 lbs./in. Rate, 1.200 in. Coil Bind Height, Each
Part Number: RSC-PAC-1245
Not Yet Reviewed
Estimated Ship Date: Monday 8/4/2025
Estimated Ship Date: Monday 8/4/2025
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 8/4/2025
Estimated Ship Date: Monday 8/4/2025
Valve Spring Retainer, 500 Series, Dual, Titanium, 1.400 in. O.D., 10 degree, Each
Part Number: RSC-PAC-R505
Not Yet Reviewed
Estimated Ship Date: Monday 8/4/2025
Estimated Ship Date: Monday 8/4/2025
Dual Spring 500 Series Retainer - Titanium Retainer for PAC-1341 Valve Spring. Lock angle: STD 8 degree
Part Number: RSC-PAC-R557
Not Yet Reviewed
Estimated Ship Date: Sep 8, 2025 if ordered today
Estimated Ship Date: Sep 8, 2025 if ordered today
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 8/4/2025
Estimated Ship Date: Monday 8/4/2025
Valve Springs, RPM Series, Dual, 1.304 in. O.D., 433 lbs./in. Rate, 1.000 in. Coil Bind Height, Each
Part Number: RSC-PAC-1207X
Not Yet Reviewed
Estimated Ship Date: Monday 8/4/2025
Estimated Ship Date: Monday 8/4/2025
Valve Spring Retainer, 500 Series, Triple, Titanium, 1.480 in. O.D., 10 degree, Each
Part Number: RSC-PAC-R522
Not Yet Reviewed
Estimated Ship Date: Sep 8, 2025 if ordered today
Estimated Ship Date: Sep 8, 2025 if ordered today
VALVE SPRINGS
Part Number: RSC-PAC-1392
Not Yet Reviewed
Estimated Ship Date: Monday 8/4/2025
Estimated Ship Date: Monday 8/4/2025
Valve Spring Retainer, 500 Series, Dual, Titanium, 1.365 in. O.D., 10 degree, Each
Part Number: RSC-PAC-R508
Not Yet Reviewed
Estimated Ship Date: Monday 8/4/2025
Estimated Ship Date: Monday 8/4/2025
Dual Spring 500 Series Retainer - Titanium Retainer for PAC-1244 Dual Valve Spring. Lock angle: STD 8 degree
Part Number: RSC-PAC-R551
Not Yet Reviewed
Estimated Ship Date: Sep 8, 2025 if ordered today
Estimated Ship Date: Sep 8, 2025 if ordered today
Dual Spring 500 Series Retainer - Titanium Retainer for LS Dual Valve Springs PAC-1221 & 1521. Lock angle: L
Part Number: RSC-PAC-R516
Not Yet Reviewed
Estimated Ship Date: Sep 8, 2025 if ordered today
Estimated Ship Date: Sep 8, 2025 if ordered today
Valve Springs, 1200 Series, Dual, 1.570 in. O.D., 743 lbs./in. Rate, 1.035 in. Coil Bind Height, Each
Part Number: RSC-PAC-1244
Not Yet Reviewed
Estimated Ship Date: Aug 18, 2025 if ordered today
Estimated Ship Date: Aug 18, 2025 if ordered today
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 8/4/2025
Estimated Ship Date: Monday 8/4/2025
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 8/4/2025
Estimated Ship Date: Monday 8/4/2025
Dual Spring 500 Series Retainer - Titanium Retainer for PAC-1574 Dual Spring. Lock angle: STD 8
Part Number: RSC-PAC-R553
Not Yet Reviewed
Estimated Ship Date: Sep 8, 2025 if ordered today
Estimated Ship Date: Sep 8, 2025 if ordered today
Valve Springs, 1200 Series, Dual, 1.545 in. O.D., 428 lbs./in. Rate, 1.180 in. Coil Bind Height, Each
Part Number: RSC-PAC-1294
Not Yet Reviewed
Estimated Ship Date: Sep 8, 2025 if ordered today
Estimated Ship Date: Sep 8, 2025 if ordered today
Not Yet Reviewed
Estimated Ship Date: Sep 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 8/4/2025
Estimated Ship Date: Monday 8/4/2025
Valve Spring, 1200 Series, Dual, 1.274 in. Outside Diameter, 550 lb/in., 0.630 in Inside Diameter, Each
Part Number: RSC-PAC-1237X
Not Yet Reviewed
Estimated Ship Date: Monday 8/4/2025
Estimated Ship Date: Monday 8/4/2025
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