PAC Racing Springs Parts and Accessories

Valve Spring, 1200 Series, Dual, 1.274 in. Outside Diameter, 550 lb/in., 0.630 in Inside Diameter, Each

Part Number: RSC-PAC-1237X

Not Yet Reviewed

Estimated Ship Date: Today

Valve Locks, 10 degree, Square Groove-style, Machined, Steel, 1-groove, 0.344 in. Stem Diameter, Pair

Part Number: RSC-PAC-L8025

Not Yet Reviewed

Estimated Ship Date: Today

Valve Springs, Beehive, Single, 1.589 in. O.D., 313 lbs./in. Rate, 1.180 in. Coil Bind Height, Set of 16

Part Number: RSC-PAC-1295-16

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

Valve Spring Retainers, 500 Series, Beehive, Titanium, 0.990 in. Outer Spring O.D., 7 degree Lock, Single Spring, Fits GM LS Series Valvetrains, Each

Part Number: RSC-PAC-R511

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Today

Titanium Valve Locks - Standard 10 degree - Square Groove - Standard Install Height

Part Number: RSC-PAC-L8005

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

• Drop Ship
• Special Order

Valve Spring, 1200 Series Circle Track, Dual, 1.550 in. O.D., 526 lbs./in. Rate, 1.200 in. Coil Bind Height, Each

Part Number: RSC-PAC-1245

Not Yet Reviewed

Estimated Ship Date: Today

Dual Spring 500 Series Retainer - Titanium Retainer for PAC-1574 Dual Spring. Lock angle: STD 8

Part Number: RSC-PAC-R553

Not Yet Reviewed

Estimated Ship Date: Apr 17, 2026 if ordered today

• Drop Ship
• Special Order

Dual Spring 500 Series Retainer - Titanium Retainer for PAC-1341 Valve Spring. Lock angle: STD 8 degree

Part Number: RSC-PAC-R557

Not Yet Reviewed

Estimated Ship Date: Apr 17, 2026 if ordered today

• Drop Ship
• Special Order

Shims - 1.620 - 0.020 thick

Part Number: RSC-PAC-S198

Not Yet Reviewed

Estimated Ship Date: Today

Valve Spring, 1200 Series, Beehive, Single, 1.250 in. Outside Diameter, 363 lb/in., 0.845 in Inside Diameter, Each

Part Number: RSC-PAC-1283

Not Yet Reviewed

Estimated Ship Date: Today

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: Apr 17, 2026 if ordered today

• Drop Ship
• Special Order

Valve Locks, 10 degree, 1-groove, Machined, Steel, 0.313 in. Stem Diameter, Set of 16 Pairs

Part Number: RSC-PAC-L8067-16

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

• Drop Ship
• Special Order

RETAINER CHROME MOLY STEEL

Part Number: RSC-PAC-R377

Not Yet Reviewed

Estimated Ship Date: Apr 17, 2026 if ordered today

• Drop Ship
• Special Order

VALVE SPRING

Part Number: RSC-PAC-R378

Not Yet Reviewed

Estimated Ship Date: Apr 17, 2026 if ordered today

• Drop Ship
• Special Order

Shims - 1.620 - 0.015 thick

Part Number: RSC-PAC-S199

Not Yet Reviewed

Estimated Ship Date: Apr 17, 2026 if ordered today

• Drop Ship
• Special Order

Valve Spring Retainer, 500 Series, Triple, Titanium, 1.480 in. O.D., 10 degree, Each

Part Number: RSC-PAC-R522

Not Yet Reviewed

Estimated Ship Date: Apr 17, 2026 if ordered today

• Drop Ship
• Special Order

Steel Valve Locks - Standard 10 degree - Square Groove - +0.050 Install Height

Part Number: RSC-PAC-L8093

Not Yet Reviewed

Estimated Ship Date: Apr 17, 2026 if ordered today

• Drop Ship
• Special Order

Valve Spring, 1200 Series Drag Race, Dual, 1.625 in. O.D., 629 lbs./in. Rate, 1.100 in. Coil Bind Height, Each

Part Number: RSC-PAC-1228

Not Yet Reviewed

Estimated Ship Date: Today

Valve Springs, Specialty and Class Specific, 604 Create Motor, Single, 1.350 in. O.D., 380 lbs./in. Rate, 1.180 in. Coil Bind Height, Set of 16

Part Number: RSC-PAC-1212X-16

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

VALVE LOCKS PAC STEEL

Part Number: RSC-PAC-L8143

Not Yet Reviewed

Estimated Ship Date: Apr 21, 2026 if ordered today

• Drop Ship
• Special Order

Shims - 1.620 - 0.030 thick

Part Number: RSC-PAC-S197

Not Yet Reviewed

Estimated Ship Date: Apr 17, 2026 if ordered today

• Drop Ship
• Special Order

Valve Springs, 1300 Series, Dual, 1.625 in. O.D., 629 lbs./in. Rate, 1.100 in. Coil Bind Height, Each

Part Number: RSC-PAC-1328

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Valve Spring, 1900 Series Hot Rod, Dual, 1.540 in. O.D., 431 lbs./in. Rate, 1.125 in. Coil Bind Height, Each

Part Number: RSC-PAC-1924

Not Yet Reviewed

Estimated Ship Date: Today

Shims - 1.500 - 0.030 thick

Part Number: RSC-PAC-S193

Not Yet Reviewed

Estimated Ship Date: Today

Steel Spring Seats (0.060 Thickness)

Part Number: RSC-PAC-S114

Not Yet Reviewed

Estimated Ship Date: Apr 17, 2026 if ordered today

• Drop Ship
• Special Order