Availability
PAC Racing Springs Engines & Components
VALVE SPRINGS
Part Number: RSC-PAC-R378-16
Not Yet Reviewed
Estimated Ship Date: Apr 15, 2026 if ordered today
Estimated Ship Date: Apr 15, 2026 if ordered today
SEAT CHROME MOLY SPRING
Part Number: RSC-PAC-S154-16
Not Yet Reviewed
Estimated Ship Date: Apr 16, 2026 if ordered today
Estimated Ship Date: Apr 16, 2026 if ordered today
Dual Spring 300 Series Retainer - Retainer for PAC-1202 & 1203 Valve Springs. Lock angle: 7 degree
Part Number: RSC-PAC-R334-16
Not Yet Reviewed
Estimated Ship Date: Apr 17, 2026 if ordered today
Estimated Ship Date: Apr 17, 2026 if ordered today
Dual Spring 300 Series Retainer - Retainer for PAC-1222X LS Spring. Lock angle: LS 7 degree
Part Number: RSC-PAC-R355-16
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-S115-16
Not Yet Reviewed
Estimated Ship Date: Apr 20, 2026 if ordered today
Estimated Ship Date: Apr 20, 2026 if ordered today
Dual Spring 300 Series Retainer - Retainer for Marine Applications. Lock angle: STD 10 degree
Part Number: RSC-PAC-R315-16
Not Yet Reviewed
Estimated Ship Date: Apr 20, 2026 if ordered today
Estimated Ship Date: Apr 20, 2026 if ordered today
Steel Spring Seats (0.060 Thickness)
Part Number: RSC-PAC-S101-16
Not Yet Reviewed
Estimated Ship Date: Apr 21, 2026 if ordered today
Estimated Ship Date: Apr 21, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Steel Seats - .030 thick
Part Number: RSC-PAC-S134-16
Not Yet Reviewed
Estimated Ship Date: Apr 20, 2026 if ordered today
Estimated Ship Date: Apr 20, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Steel Spring Seats (0.060 Thickness)
Part Number: RSC-PAC-S129-16
Not Yet Reviewed
Estimated Ship Date: Apr 20, 2026 if ordered today
Estimated Ship Date: Apr 20, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Steel Spring Seats (0.060 Thickness)
Part Number: RSC-PAC-S128-16
Not Yet Reviewed
Estimated Ship Date: Apr 20, 2026 if ordered today
Estimated Ship Date: Apr 20, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Steel Spring Seats (0.060 Thickness)
Part Number: RSC-PAC-S110
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:
Valve Spring, Specialty and Class Specific, Single, 1.454 in. O.D., 500 lbs./in. Rate, 1.190 in. Coil Bind Height, Each
Part Number: RSC-PAC-1427
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Steel Valve Locks - Mini 8 degree - Radius Groove - Standard Install Height
Part Number: RSC-PAC-L8131
Not Yet Reviewed
Estimated Ship Date: Apr 17, 2026 if ordered today
Estimated Ship Date: Apr 17, 2026 if ordered today
RETAINER 64 TITANIUM
Part Number: RSC-PAC-R436-16
Not Yet Reviewed
Estimated Ship Date: Apr 15, 2026 if ordered today
Estimated Ship Date: Apr 15, 2026 if ordered today
Recessed Steel Valve Locks - Standard 10 degree - Radius Groove - +0.050 Install Height
Part Number: RSC-PAC-LR8028
Not Yet Reviewed
Estimated Ship Date: Apr 20, 2026 if ordered today
Estimated Ship Date: Apr 20, 2026 if ordered today
Dual Spring 400 Series Retainer - Titanium Retainer for PAC-1222X Valve Spring. Lock angle: LS 7 degree
Part Number: RSC-PAC-R455-16
Not Yet Reviewed
Estimated Ship Date: Apr 16, 2026 if ordered today
Estimated Ship Date: Apr 16, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
VALVE LOCKS PAC STEEL
Part Number: RSC-PAC-L8162
Not Yet Reviewed
Estimated Ship Date: Apr 17, 2026 if ordered today
Estimated Ship Date: Apr 17, 2026 if ordered today
SEAT TOOL STEEL
Part Number: RSC-PAC-S154X-16
Estimated Ship Date: Apr 17, 2026 if ordered today
Estimated Ship Date: Apr 17, 2026 if ordered today
Valve Spring Retainer, 300 Series, Steel, 0.865 in. O.D., Single, Beehive, 7 degree, Each
Part Number: RSC-PAC-R312
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:
0.020" Spring Shim 1.040" O.D.
Part Number: RSC-PAC-S182
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 LS Dual Valve Springs PAC-1221 & 1521. Lock angle: L
Part Number: RSC-PAC-R516
Not Yet Reviewed
Estimated Ship Date: Apr 17, 2026 if ordered today
Estimated Ship Date: Apr 17, 2026 if ordered today
Valve Spring Retainer, 400 Series, Single, Titanium, 0.795 in. O.D., Each
Part Number: RSC-PAC-R464
Estimated Ship Date: Feb 26, 2026 if ordered today
Estimated Ship Date: Feb 26, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
PAC Racing 400 Series Valve Spring Retainers PAC-R464-16
Not Yet Reviewed
Estimated Ship Date: Today
SPRING SHIM SET
Part Number: RSC-PAC-S196-100
Not Yet Reviewed
Estimated Ship Date: Apr 15, 2026 if ordered today
Estimated Ship Date: Apr 15, 2026 if ordered today
Steel Valve Locks - Standard 8 degree - Square Groove - Standard Install Height
Part Number: RSC-PAC-L8073
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 - Square Groove - +0.050 Install Height
Part Number: RSC-PAC-L8075
Not Yet Reviewed
Estimated Ship Date: Apr 17, 2026 if ordered today
Estimated Ship Date: Apr 17, 2026 if ordered today
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