Availability
PAC Racing Springs Camshafts & Valvetrain
Solid Stop Retainer - Heavy Duty Top for abusive Top Alcohol Engines. Dual Valve Spring Retainer. Features
Part Number: RSC-PAC-R525
Not Yet Reviewed
Estimated Ship Date: Apr 9, 2026 if ordered today
Estimated Ship Date: Apr 9, 2026 if ordered today
Dual Spring 500 Series Retainer - Titanium Retainer for PAC-1245 & 1289 Dual Valve Springs. Lock angle: STD 1
Part Number: RSC-PAC-R536
Not Yet Reviewed
Estimated Ship Date: Apr 9, 2026 if ordered today
Estimated Ship Date: Apr 9, 2026 if ordered today
Dual Spring 500 Series Retainer - Titanium Retainer for PAC-1342, 1386 & 1396 Dual Valve Springs. Lock angle
Part Number: RSC-PAC-R537
Not Yet Reviewed
Estimated Ship Date: Apr 9, 2026 if ordered today
Estimated Ship Date: Apr 9, 2026 if ordered today
Dual Spring 500 Series Retainer - Titanium Retainer for PAC-1342, 1386 & 1396 Dual Valve Springs. Lock angle
Part Number: RSC-PAC-R538
Not Yet Reviewed
Estimated Ship Date: Apr 9, 2026 if ordered today
Estimated Ship Date: Apr 9, 2026 if ordered today
RETAINER Ti-17 TITANIUM
Part Number: RSC-PAC-R539
Not Yet Reviewed
Estimated Ship Date: Apr 9, 2026 if ordered today
Estimated Ship Date: Apr 9, 2026 if ordered today
Spring
Part Number: RSC-PAC-R539-16
Not Yet Reviewed
Estimated Ship Date: Apr 9, 2026 if ordered today
Estimated Ship Date: Apr 9, 2026 if ordered today
Dual Spring 500 Series Retainer - Titanium Retainer for PAC-1240, 1340 & 1540 Dual Valve Springs. Lock angle
Part Number: RSC-PAC-R540
Not Yet Reviewed
Estimated Ship Date: Apr 9, 2026 if ordered today
Estimated Ship Date: Apr 9, 2026 if ordered today
Dual Spring 500 Series Retainer - Titanium Retainer for PAC-1226 & 1326 Dual Valve Springs. Lock angle: STD
Part Number: RSC-PAC-R541
Not Yet Reviewed
Estimated Ship Date: Apr 9, 2026 if ordered today
Estimated Ship Date: Apr 9, 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 9, 2026 if ordered today
Estimated Ship Date: Apr 9, 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 9, 2026 if ordered today
Estimated Ship Date: Apr 9, 2026 if ordered today
Dual Spring 500 Series Retainer - Titanium Retainer for PAC-1371& 1575 Dual Valve Springs. Lock angle: mini
Part Number: RSC-PAC-R552
Not Yet Reviewed
Estimated Ship Date: Apr 9, 2026 if ordered today
Estimated Ship Date: Apr 9, 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 9, 2026 if ordered today
Estimated Ship Date: Apr 9, 2026 if ordered today
RETAINER Ti-17 TITANIUM
Part Number: RSC-PAC-R558
Not Yet Reviewed
Estimated Ship Date: Apr 9, 2026 if ordered today
Estimated Ship Date: Apr 9, 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 9, 2026 if ordered today
Estimated Ship Date: Apr 9, 2026 if ordered today
RETAINER Ti-17 TITANIUM
Part Number: RSC-PAC-R572
Not Yet Reviewed
Estimated Ship Date: Apr 9, 2026 if ordered today
Estimated Ship Date: Apr 9, 2026 if ordered today
Steel Valve Locks - Mini 8 degree - Square Groove - +0.050 Install Height
Part Number: RSC-PAC-L8138
Not Yet Reviewed
Estimated Ship Date: Apr 9, 2026 if ordered today
Estimated Ship Date: Apr 9, 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 9, 2026 if ordered today
Estimated Ship Date: Apr 9, 2026 if ordered today
Steel Valve Locks - Standard 7 degree - Radius Groove - +0.050 Install Height
Part Number: RSC-PAC-L8153-16
Not Yet Reviewed
Estimated Ship Date: Apr 9, 2026 if ordered today
Estimated Ship Date: Apr 9, 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 9, 2026 if ordered today
Estimated Ship Date: Apr 9, 2026 if ordered today
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 10, 2026 if ordered today
Estimated Ship Date: Apr 10, 2026 if ordered today
Dual Spring 300 Series Retainer - Retainer for PAC-1371 Valve Springs. Lock angle: STD 10 degree
Part Number: RSC-PAC-R317
Not Yet Reviewed
Estimated Ship Date: Apr 10, 2026 if ordered today
Estimated Ship Date: Apr 10, 2026 if ordered today
Dual Spring 500 Series Retainer - Titanium Retainer for all 1.050 ID Dual Valve Springs. Lock angle: mini 8
Part Number: RSC-PAC-R544
Not Yet Reviewed
Estimated Ship Date: Apr 10, 2026 if ordered today
Estimated Ship Date: Apr 10, 2026 if ordered today
Steel Spring Seats 0.030 thick for RPM Dual Springs
Part Number: RSC-PAC-S136-16
Not Yet Reviewed
Estimated Ship Date: Apr 10, 2026 if ordered today
Estimated Ship Date: Apr 10, 2026 if ordered today
Titanium Valve Locks - Mini 8 degree - Square Groove - Standard Install Height
Part Number: RSC-PAC-L8119-16
Not Yet Reviewed
Estimated Ship Date: Apr 13, 2026 if ordered today
Estimated Ship Date: Apr 13, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Steel Spring Seats (0.060 Thickness)
Part Number: RSC-PAC-S118
Not Yet Reviewed
Estimated Ship Date: Apr 13, 2026 if ordered today
Estimated Ship Date: Apr 13, 2026 if ordered today
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