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PAC Racing Springs Engines & Components
Valve Spring, 1300 Series, Triple, 1.645 in. Outside Diameter, 682 lb/in., 0.635 in Inside Diameter, Each
Part Number: RSC-PAC-1347
Not Yet Reviewed
Estimated Ship Date: Apr 17, 2026 if ordered today
Estimated Ship Date: Apr 17, 2026 if ordered today
Valve Springs, 1300 Series Drag Race, Triple, 1.645 in. Outside Diameter, 682 lb/in., 0.635 in Inside Diameter, Set of 16
Part Number: RSC-PAC-1347-16
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 Drag Race, Triple, 1.667 in. Outside Diameter, 752 lb/in., 0.635 in Inside Diameter, Each
Part Number: RSC-PAC-1351H
Not Yet Reviewed
Estimated Ship Date: Apr 17, 2026 if ordered today
Estimated Ship Date: Apr 17, 2026 if ordered today
1.550 OD 2.300 1" Lift spring
Part Number: RSC-PAC-1354-16
Not Yet Reviewed
Estimated Ship Date: Apr 17, 2026 if ordered today
Estimated Ship Date: Apr 17, 2026 if ordered today
Valve Springs, 1300 Series Drag Race, Dual, 1.550 in. Outside Diameter, 1,015 lb/in., 0.726 in Inside Diameter, Each
Part Number: RSC-PAC-1354L
Not Yet Reviewed
Estimated Ship Date: Apr 17, 2026 if ordered today
Estimated Ship Date: Apr 17, 2026 if ordered today
1.550 OD 2.200 1" Lift spring
Part Number: RSC-PAC-1355H-16
Not Yet Reviewed
Estimated Ship Date: Apr 17, 2026 if ordered today
Estimated Ship Date: Apr 17, 2026 if ordered today
1.522 OD 2.250 .950" Dual Spring
Part Number: RSC-PAC-1359
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, Triple, 1.681 in. O.D., 840 lbs./in. Rate, 1.100 in. Coil Bind Height, Each
Part Number: RSC-PAC-1364L
Not Yet Reviewed
Estimated Ship Date: Apr 17, 2026 if ordered today
Estimated Ship Date: Apr 17, 2026 if ordered today
1.710" Triple Drag Race Spring - Pro Stock, Fuel
Part Number: RSC-PAC-1366-16
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 8 degree - Square Groove - +0.050 Install Height
Part Number: RSC-PAC-L8095
Not Yet Reviewed
Estimated Ship Date: Apr 17, 2026 if ordered today
Estimated Ship Date: Apr 17, 2026 if ordered today
Titanium Valve Locks - Mini 8 degree - Square Groove - Standard Install Height
Part Number: RSC-PAC-L8125
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 Retainerfor PAC-1385 & 1395 Dual Valve Springs. Lock angle: STD 10
Part Number: RSC-PAC-R514-16
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-1227, 1239, 1254, 1297 & 1509 Dual Valve Springs.
Part Number: RSC-PAC-R515-16
Not Yet Reviewed
Estimated Ship Date: Apr 17, 2026 if ordered today
Estimated Ship Date: Apr 17, 2026 if ordered today
Valve Spring Retainers, 500 Series, Triple, Titanium, 1.480 in. O.D., 10 degree, Set of 16
Part Number: RSC-PAC-R522-16
Not Yet Reviewed
Estimated Ship Date: Apr 17, 2026 if ordered today
Estimated Ship Date: Apr 17, 2026 if ordered today
Solid Stop Retainer - Heavy Duty Top for abusive Top Alcohol Engines. Dual Valve Spring Retainer. Features
Part Number: RSC-PAC-R524
Not Yet Reviewed
Estimated Ship Date: Apr 17, 2026 if ordered today
Estimated Ship Date: Apr 17, 2026 if ordered today
Valve Spring, 1200 Series, Dual, 1.310 in. Outside Diameter, 520 lb/in., 0.665 in Inside Diameter, Each
Part Number: RSC-PAC-1236X
Not Yet Reviewed
Estimated Ship Date: Apr 17, 2026 if ordered today
Estimated Ship Date: Apr 17, 2026 if ordered today
Valve Spring, 1200 Series, Dual, 1.550 in. Outside Diameter, 540 lb/in., 0.720 in Inside Diameter, Each
Part Number: RSC-PAC-1239
Not Yet Reviewed
Estimated Ship Date: Apr 17, 2026 if ordered today
Estimated Ship Date: Apr 17, 2026 if ordered today
VALVE SPRING ASSY DRAG RACE
Part Number: RSC-PAC-1243L-16
Not Yet Reviewed
Estimated Ship Date: Apr 17, 2026 if ordered today
Estimated Ship Date: Apr 17, 2026 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: Apr 17, 2026 if ordered today
Estimated Ship Date: Apr 17, 2026 if ordered today
Titanium Valve Locks, Standard 10 degree, Radius Groove. -.050 Installed Height, Pair
Part Number: RSC-PAC-L8046
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 - +0.050 Install Height
Part Number: RSC-PAC-L8047
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 - Radius Groove - Standard Installed Height
Part Number: RSC-PAC-L8048-16
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:
Titanium Valve Locks - Standard 8 degree - Radius Groove - +0.050 Install Height
Part Number: RSC-PAC-L8058-16
Not Yet Reviewed
Estimated Ship Date: Apr 17, 2026 if ordered today
Estimated Ship Date: Apr 17, 2026 if ordered today
Steel Valve Locks - Standard 10 degree - Radius Groove - Standard Install Height
Part Number: RSC-PAC-L8065-16
Not Yet Reviewed
Estimated Ship Date: Apr 17, 2026 if ordered today
Estimated Ship Date: Apr 17, 2026 if ordered today
Steel Valve Locks - Standard 8 degree - Radius Groove - Standard Install Height
Part Number: RSC-PAC-L8074-16
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:
