Availability
PAC Racing Springs Engines & Components
Valve Springs, 1200 Series Circle Track, Dual, 1.260 in. Outside Diameter, 610 lb/in, 0.624 in. Inside Diameter, Set of 16
Part Number: RSC-PAC-1203-16
Not Yet Reviewed
Estimated Ship Date: Apr 17, 2026 if ordered today
Estimated Ship Date: Apr 17, 2026 if ordered today
Steel Spring Seats (0.060 Thickness)
Part Number: RSC-PAC-S115
Not Yet Reviewed
Estimated Ship Date: Apr 17, 2026 if ordered today
Estimated Ship Date: Apr 17, 2026 if ordered today
Valve Springs, RPM Series, Dual, 1.290 in. O.D., 369 lbs./in. Rate, 1.000 in. Coil Bind Height, Each
Part Number: RSC-PAC-1204X
Not Yet Reviewed
Estimated Ship Date: Apr 17, 2026 if ordered today
Estimated Ship Date: Apr 17, 2026 if ordered today
Steel Valve Locks - Standard 10 degree - Radius Groove - +0.050 Install Height
Part Number: RSC-PAC-L8081
Not Yet Reviewed
Estimated Ship Date: Apr 17, 2026 if ordered today
Estimated Ship Date: Apr 17, 2026 if ordered today
VALVE LOCKS PAC STEEL
Part Number: RSC-PAC-L8087
Not Yet Reviewed
Estimated Ship Date: Apr 17, 2026 if ordered today
Estimated Ship Date: Apr 17, 2026 if ordered today
Titanium Valve Locks - Standard 10 degree - Square Groove - Standard Install Height
Part Number: RSC-PAC-L8090
Not Yet Reviewed
Estimated Ship Date: Apr 17, 2026 if ordered today
Estimated Ship Date: Apr 17, 2026 if ordered today
Valve Spring, 1300 Series, Dual, 1.500 in. Outside Diameter, 467 lb/in., 0.790 in Inside Diameter, Each
Part Number: RSC-PAC-1340
Not Yet Reviewed
Estimated Ship Date: Apr 17, 2026 if ordered today
Estimated Ship Date: Apr 17, 2026 if ordered today
Dual Spring 500 Series Retainer - Titanium Retainer for RPM Sereis Dual Valve Springs. Lock angle: mini 8 de
Part Number: RSC-PAC-R550
Not Yet Reviewed
Estimated Ship Date: Apr 17, 2026 if ordered today
Estimated Ship Date: Apr 17, 2026 if ordered today
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: Apr 17, 2026 if ordered today
Estimated Ship Date: Apr 17, 2026 if ordered today
Dual Spring 500 Series Retainer - Titanium Retainer for PAC-1574 Dual Spring. Lock angle: STD 8
Part Number: RSC-PAC-R553-16
Not Yet Reviewed
Estimated Ship Date: Apr 17, 2026 if ordered today
Estimated Ship Date: Apr 17, 2026 if ordered today
Dual Spring 500 Series Retainer - Titanium Retainer for PAC-1341 Valve Spring. Lock angle: STD 8 degree
Part Number: RSC-PAC-R557-16
Not Yet Reviewed
Estimated Ship Date: Apr 17, 2026 if ordered today
Estimated Ship Date: Apr 17, 2026 if ordered today
Triple Spring 500 Series Retainer - Titanium Retainer for Large OD Retainer for Large Triple Spring, for bette
Part Number: RSC-PAC-R565
Not Yet Reviewed
Estimated Ship Date: Apr 17, 2026 if ordered today
Estimated Ship Date: Apr 17, 2026 if ordered today
Dual Spring 600 Series Retainer - Tool Steel Retainer for PAC-1385 & 1395 Dual Valve Springs. Lock angle: ST
Part Number: RSC-PAC-R614
Not Yet Reviewed
Estimated Ship Date: Apr 17, 2026 if ordered today
Estimated Ship Date: Apr 17, 2026 if ordered today
Valve Spring, 1900 Series Hot Rod, Dual, 1.465 in. O.D., 417 lbs./in. Rate, 0.910 in. Coil Bind Height, Each
Part Number: RSC-PAC-1908
Not Yet Reviewed
Estimated Ship Date: Apr 17, 2026 if ordered today
Estimated Ship Date: Apr 17, 2026 if ordered today
Valve Springs, 1900 Series Hot Rod, Dual, 1.465 in. O.D., 417 lbs./in. Rate, 0.910 in. Coil Bind Height, Set of 16
Part Number: RSC-PAC-1908-16
Not Yet Reviewed
Estimated Ship Date: Apr 17, 2026 if ordered today
Estimated Ship Date: Apr 17, 2026 if ordered today
Valve Springs, 1900 Series Hot Rod, Dual, 1.490 in. O.D., 367 lbs./in. Rate, 1.075 in. Coil Bind Height, Set of 16
Part Number: RSC-PAC-1914-16
Not Yet Reviewed
Estimated Ship Date: Apr 17, 2026 if ordered today
Estimated Ship Date: Apr 17, 2026 if ordered today
Valve Springs, 1900 Series Hot Rod, Dual, 1.538 in. O.D., 436 lbs./in. Rate, 1.090 in. Coil Bind Height, Set of 16
Part Number: RSC-PAC-1916-16
Not Yet Reviewed
Estimated Ship Date: Apr 17, 2026 if ordered today
Estimated Ship Date: Apr 17, 2026 if ordered today
Valve Spring, Hot Rod Series, Single, 1.460 in. O.D., 307 lbs./in. Rate, 1.145 in. Coil Bind Height, Each
Part Number: RSC-PAC-1921
Not Yet Reviewed
Estimated Ship Date: Apr 17, 2026 if ordered today
Estimated Ship Date: Apr 17, 2026 if ordered today
Steel Valve Locks - Mini 8 degree - Square Groove - Standard Install Height
Part Number: RSC-PAC-L8137-16
Not Yet Reviewed
Estimated Ship Date: Apr 17, 2026 if ordered today
Estimated Ship Date: Apr 17, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Steel Valve Locks - Mini 8 degree - Square Groove - +0.050 Install Height
Part Number: RSC-PAC-L8138-16
Not Yet Reviewed
Estimated Ship Date: Apr 17, 2026 if ordered today
Estimated Ship Date: Apr 17, 2026 if ordered today
Steel Valve Locks - Mini 8 degree - Radius Groove - +0.050 Install Height
Part Number: RSC-PAC-L8142
Not Yet Reviewed
Estimated Ship Date: Apr 17, 2026 if ordered today
Estimated Ship Date: Apr 17, 2026 if ordered today
Steel Valve Locks - Standard 7 degree - Radius Groove - +0.050 Install Height
Part Number: RSC-PAC-L8153
Not Yet Reviewed
Estimated Ship Date: Apr 17, 2026 if ordered today
Estimated Ship Date: Apr 17, 2026 if ordered today
Steel Valve Locks - Standard 7 degree - Radius Groove - Standard Install Height
Part Number: RSC-PAC-L8154
Not Yet Reviewed
Estimated Ship Date: Apr 17, 2026 if ordered today
Estimated Ship Date: Apr 17, 2026 if ordered today
Valve Spring Retainer, 300 Series, Steel, 1.235 in. O.D., Dual, 7 degree, Each
Part Number: RSC-PAC-R316
Not Yet Reviewed
Estimated Ship Date: Apr 17, 2026 if ordered today
Estimated Ship Date: Apr 17, 2026 if ordered today
Beehive 300 Series Retainer - Retainer for Super Stock Only. Lock angle: STD 7 degree
Part Number: RSC-PAC-R333
Not Yet Reviewed
Estimated Ship Date: Apr 17, 2026 if ordered today
Estimated Ship Date: Apr 17, 2026 if ordered today
Truck / SUV
Jeep®
Restoration
Stock Replacement
Late Model Muscle
Tools
Gifts, Clothing, & More
Circle Track
Street Rod
Powersports
Paint & Body
Marine
Jr Dragster