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PAC Racing Springs delivers superior valvetrain stability and performance. Just ask the thousands of competitors who use PAC springs on top motorsports circuits—NHRA,...
PAC Racing Springs delivers superior valvetrain stability and performance. Just ask the thousands of competitors who use PAC springs on top motorsports circuits—NHRA, NASCAR, NMRA, Formula 1, 24 Hours of LeMans, Sprint Car, IHBA Boat Racing, Baja 1000, and more. PAC Racing Springs valve springs, valve locks, lifters, and retainers are designed and forged with the latest technology. We’ve got innovative, proven PAC Racing single, dual, triple, and beehive valve springs to meet your competition engine’s demands. Plus, we have titanium and steel valve locks, plastic valve spring dampers, titanium and steel...
PAC Racing Springs delivers superior valvetrain stability and performance. Just ask the thousands of competitors who use PAC springs on top motorsports circuits—NHRA, NASCAR, NMRA, Formula 1, 24 Hours of LeMans, Sprint Car, IHBA Boat Racing, Baja 1000, and more. PAC Racing Springs valve springs, valve locks, lifters, and retainers are designed and forged with the latest technology. We’ve got innovative, proven PAC Racing single, dual, triple, and beehive valve springs to meet your competition engine’s demands. Plus, we have titanium and steel valve locks, plastic valve spring dampers, titanium and steel retainers, and more. Shop PAC Racing Springs at Summit Racing today!
Circle Track Small Diameter high lift endurance spring
Part Number: RSC-PAC-1373-16
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Small Diameter Flat Tappet Spring
Part Number: RSC-PAC-1371-16
Not Yet Reviewed
Estimated Ship Date: Sep 11, 2025 if ordered today
Estimated Ship Date: Sep 11, 2025 if ordered today
VALVE SPRING SET
Part Number: RSC-PAC-1372-16
Not Yet Reviewed
Estimated Ship Date: Sep 11, 2025 if ordered today
Estimated Ship Date: Sep 11, 2025 if ordered today
VALVE SPRING ASSY
Part Number: RSC-PAC-1373L-16
Not Yet Reviewed
Estimated Ship Date: Sep 11, 2025 if ordered today
Estimated Ship Date: Sep 11, 2025 if ordered today
VALVE SPRING ASSY
Part Number: RSC-PAC-1379H-16
Not Yet Reviewed
Estimated Ship Date: Sep 11, 2025 if ordered today
Estimated Ship Date: Sep 11, 2025 if ordered today
VALVE SPRING ASSY
Part Number: RSC-PAC-1379L-16
Not Yet Reviewed
Estimated Ship Date: Sep 11, 2025 if ordered today
Estimated Ship Date: Sep 11, 2025 if ordered today
1.500 High Load Dual Drag Race Spring
Part Number: RSC-PAC-1370
Not Yet Reviewed
Estimated Ship Date: Sep 11, 2025 if ordered today
Estimated Ship Date: Sep 11, 2025 if ordered today
1.500 High Load Dual Drag Race Spring
Part Number: RSC-PAC-1370-16
Not Yet Reviewed
Estimated Ship Date: Sep 11, 2025 if ordered today
Estimated Ship Date: Sep 11, 2025 if ordered today
VALVE SPRING ASSY
Part Number: RSC-PAC-1370L
Not Yet Reviewed
Estimated Ship Date: Sep 11, 2025 if ordered today
Estimated Ship Date: Sep 11, 2025 if ordered today
VALVE SPRING ASSY
Part Number: RSC-PAC-1370L-16
Not Yet Reviewed
Estimated Ship Date: Sep 11, 2025 if ordered today
Estimated Ship Date: Sep 11, 2025 if ordered today
Small Diameter Flat Tappet Spring
Part Number: RSC-PAC-1371
Not Yet Reviewed
Estimated Ship Date: Sep 11, 2025 if ordered today
Estimated Ship Date: Sep 11, 2025 if ordered today
VALVE SPRING
Part Number: RSC-PAC-1372
Not Yet Reviewed
Estimated Ship Date: Sep 11, 2025 if ordered today
Estimated Ship Date: Sep 11, 2025 if ordered today
Circle Track Small Diameter high lift endurance spring
Part Number: RSC-PAC-1373
Not Yet Reviewed
Estimated Ship Date: Sep 11, 2025 if ordered today
Estimated Ship Date: Sep 11, 2025 if ordered today
Need It Sooner? We recommend these similar substitute parts:
VALVE SPRING ASSY
Part Number: RSC-PAC-1373L
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Estimated Ship Date: Sep 11, 2025 if ordered today
Estimated Ship Date: Sep 11, 2025 if ordered today
SPRING
Part Number: RSC-PAC-1379
Not Yet Reviewed
Estimated Ship Date: Sep 11, 2025 if ordered today
Estimated Ship Date: Sep 11, 2025 if ordered today
VALVE SPRING ASSY
Part Number: RSC-PAC-1379-16
Not Yet Reviewed
Estimated Ship Date: Sep 11, 2025 if ordered today
Estimated Ship Date: Sep 11, 2025 if ordered today
SPRING
Part Number: RSC-PAC-1379H
Not Yet Reviewed
Estimated Ship Date: Sep 11, 2025 if ordered today
Estimated Ship Date: Sep 11, 2025 if ordered today
SEAT 4140 BLK OXIDE
Part Number: RSC-PAC-S137
Not Yet Reviewed
Estimated Ship Date: Sep 11, 2025 if ordered today
Estimated Ship Date: Sep 11, 2025 if ordered today
SEAT 4140 BLK OXIDE
Part Number: RSC-PAC-S137-16
Not Yet Reviewed
Estimated Ship Date: Sep 11, 2025 if ordered today
Estimated Ship Date: Sep 11, 2025 if ordered today
Spring seat for 1373
Part Number: RSC-PAC-S137X
Not Yet Reviewed
Estimated Ship Date: Aug 25, 2025 if ordered today
Estimated Ship Date: Aug 25, 2025 if ordered today
Spring seat for 1373
Part Number: RSC-PAC-S137X-16
Not Yet Reviewed
Estimated Ship Date: Aug 25, 2025 if ordered today
Estimated Ship Date: Aug 25, 2025 if ordered today
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