Availability
Dual Spring 500 Series Retainer - Titanium Retainer for PAC-1225, 1325, 1243 & 1561 Dual Valve Springs. Lock
Part Number: RSC-PAC-R556
Not Yet Reviewed
Estimated Ship Date: Dec 8, 2025 if ordered today
Estimated Ship Date: Dec 8, 2025 if ordered today
Spring
Part Number: RSC-PAC-R565LT
Not Yet Reviewed
Estimated Ship Date: Dec 8, 2025 if ordered today
Estimated Ship Date: Dec 8, 2025 if ordered today
Dual Spring 500 Series Retainer - Titanium Retainer for PAC-1298 & 1299 Dual Valve Springs. Lock angle: STD
Part Number: RSC-PAC-R507
Not Yet Reviewed
Estimated Ship Date: Dec 8, 2025 if ordered today
Estimated Ship Date: Dec 8, 2025 if ordered today
Dual Spring 500 Series Retainer - Titanium Retainer for PAC-1371 Dual Valve Spring. Lock angle: STD 8
Part Number: RSC-PAC-R517
Not Yet Reviewed
Estimated Ship Date: Dec 8, 2025 if ordered today
Estimated Ship Date: Dec 8, 2025 if ordered today
Solid Stop Retainer - Heavy Duty Top for abusive Top Alcohol Engines. Triple Valve Spring Retainer. Feature
Part Number: RSC-PAC-R523
Not Yet Reviewed
Estimated Ship Date: Dec 8, 2025 if ordered today
Estimated Ship Date: Dec 8, 2025 if ordered today
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: Dec 8, 2025 if ordered today
Estimated Ship Date: Dec 8, 2025 if ordered today
RETAINER PACALOY SPRING
Part Number: RSC-PAC-R651
Not Yet Reviewed
Estimated Ship Date: Dec 8, 2025 if ordered today
Estimated Ship Date: Dec 8, 2025 if ordered today
Beehive 600 Series Retainer - Light Weight Billet Tool Steel Retainer for PAC-1295, 1295X & 1595 Valve Spring.
Part Number: RSC-PAC-R654
Not Yet Reviewed
Estimated Ship Date: Dec 8, 2025 if ordered today
Estimated Ship Date: Dec 8, 2025 if ordered today
RETAINER PACALOY SPRING
Part Number: RSC-PAC-R672
Not Yet Reviewed
Estimated Ship Date: Dec 8, 2025 if ordered today
Estimated Ship Date: Dec 8, 2025 if ordered today
SPRING SEAT
Part Number: RSC-PAC-S105X
Not Yet Reviewed
Estimated Ship Date: Dec 8, 2025 if ordered today
Estimated Ship Date: Dec 8, 2025 if ordered today
RETAINER Ti-17 TITANIUM
Part Number: RSC-PAC-R539
Not Yet Reviewed
Estimated Ship Date: Dec 8, 2025 if ordered today
Estimated Ship Date: Dec 8, 2025 if ordered today
MX-YAMAHA
Part Number: RSC-PAC-MX143
Not Yet Reviewed
Estimated Ship Date: Dec 8, 2025 if ordered today
Estimated Ship Date: Dec 8, 2025 if ordered today
RETAINER Ti-17 TITANIUM
Part Number: RSC-PAC-R558
Not Yet Reviewed
Estimated Ship Date: Dec 8, 2025 if ordered today
Estimated Ship Date: Dec 8, 2025 if ordered today
RETAINER Ti-17 TITANIUM
Part Number: RSC-PAC-R559
Not Yet Reviewed
Estimated Ship Date: Dec 8, 2025 if ordered today
Estimated Ship Date: Dec 8, 2025 if ordered today
RETAINER Ti-17 TITANIUM
Part Number: RSC-PAC-R572
Not Yet Reviewed
Estimated Ship Date: Dec 8, 2025 if ordered today
Estimated Ship Date: Dec 8, 2025 if ordered today
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: Nov 17, 2025 if ordered today
Estimated Ship Date: Nov 17, 2025 if ordered today
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
Need It Sooner? We recommend these similar substitute parts:
Not Yet Reviewed
Estimated Ship Date: Tomorrow
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: Dec 8, 2025 if ordered today
Estimated Ship Date: Dec 8, 2025 if ordered today
Valve Spring Retainers, 500 Series, Titanium, 1.400 in. Outer Spring O.D., 10 degree Lock, Dual Springs, Each
Part Number: RSC-PAC-R506
Not Yet Reviewed
Estimated Ship Date: Nov 10, 2025 if ordered today
Estimated Ship Date: Nov 10, 2025 if ordered today
Valve Spring Retainer, 500 Series, Dual, Titanium, 1.365 in. O.D., 10 degree, Each
Part Number: RSC-PAC-R508
Not Yet Reviewed
Valve Spring, RPM Series, Dual, 1.274 in. Outside Diameter, 600 lb/in., 0.630 in Inside Diameter, Each
Part Number: RSC-PAC-1238X
Not Yet Reviewed
Estimated Ship Date: Dec 8, 2025 if ordered today
Estimated Ship Date: Dec 8, 2025 if ordered today
Need It Sooner? We recommend these similar substitute parts:
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: Dec 1, 2025 if ordered today
Estimated Ship Date: Dec 1, 2025 if ordered today
Not Yet Reviewed
Estimated Ship Date: Dec 9, 2025
Valve Spring, RPM Series, Dual, 1.280 in. Outside Diameter, 425 lb/in., 0.655 in. Inside Diameter, Each
Part Number: RSC-PAC-1222X
Not Yet Reviewed
Estimated Ship Date: Dec 1, 2025 if ordered today
Estimated Ship Date: Dec 1, 2025 if ordered today
Valve Springs, 1400 Series, Single, 1.305 in. Outside Diameter, 437 lb/in., 0.943 in Inside Diameter, Each
Part Number: RSC-PAC-1421
Not Yet Reviewed
Estimated Ship Date: Dec 5, 2025 if ordered today
Estimated Ship Date: Dec 5, 2025 if ordered today
1.500 OD 2.100 0.850 inch lift Dual Spring
Part Number: RSC-PAC-1330
Not Yet Reviewed
Need It Sooner? We recommend these similar substitute parts:
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Modal Header
Call To Order
This is a custom order part. You can order this part by Contacting Us.