PAC Racing Springs Camshafts & Valvetrain

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

Part Number: RSC-PAC-L8025

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Estimated Ship Date: Monday 2/16/2026 if shipped by air

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

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Estimated Ship Date: Monday 2/16/2026 if shipped by air

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

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Estimated Ship Date: Monday 2/16/2026 if shipped by air

Valve Spring Retainers, 400 Series, Dual, Titanium, 1.300 in. O.D., 7 degree, Set of 16

Part Number: RSC-PAC-R435-16

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Estimated Ship Date: Apr 8, 2026 if ordered today

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Valve Spring, RPM Series, Dual, 1.274 in. Outside Diameter, 600 lb/in., 0.630 in Inside Diameter, Each

Part Number: RSC-PAC-1238X

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Estimated Ship Date: Apr 13, 2026 if ordered today

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Valve Spring Retainers, 300 Series, Steel, 1.235 in. O.D., Dual, 7 degree, Set of 16

Part Number: RSC-PAC-R316-16

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Estimated Ship Date: Apr 13, 2026 if ordered today

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

Part Number: RSC-PAC-R553

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Estimated Ship Date: Apr 9, 2026 if ordered today

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

Part Number: RSC-PAC-R557

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Estimated Ship Date: Apr 9, 2026 if ordered today

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RETAINER CHROME MOLY STEEL

Part Number: RSC-PAC-R377

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Estimated Ship Date: Apr 9, 2026 if ordered today

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VALVE SPRING

Part Number: RSC-PAC-R378

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Estimated Ship Date: Apr 9, 2026 if ordered today

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Shims - 1.620 - 0.015 thick

Part Number: RSC-PAC-S199

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Estimated Ship Date: Apr 9, 2026 if ordered today

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VALVE LOCKS PAC STEEL

Part Number: RSC-PAC-L8143

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Estimated Ship Date: Apr 8, 2026 if ordered today

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Recessed Steel Valve Locks - Standard 10 degree - Square Groove - Standard Install Height

Part Number: RSC-PAC-LR8025

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Estimated Ship Date: Monday 2/16/2026 if shipped by air

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

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Estimated Ship Date: Monday 2/16/2026 if shipped by air

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

Part Number: RSC-PAC-L8093

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Estimated Ship Date: Apr 8, 2026 if ordered today

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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

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Estimated Ship Date: Monday 2/16/2026 if shipped by air

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

Part Number: RSC-PAC-R522

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Estimated Ship Date: Apr 8, 2026 if ordered today

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Shims - 1.620 - 0.030 thick

Part Number: RSC-PAC-S197

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Estimated Ship Date: Apr 9, 2026 if ordered today

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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: Monday 2/16/2026 if shipped by air

Shims - 1.500 - 0.030 thick

Part Number: RSC-PAC-S193

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Estimated Ship Date: Monday 2/16/2026 if shipped by air

Steel Spring Seats (0.060 Thickness)

Part Number: RSC-PAC-S114

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Estimated Ship Date: Apr 9, 2026 if ordered today

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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

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Estimated Ship Date: Monday 2/16/2026 if shipped by air

Dual Spring 300 Series Retainer - Retainer for PAC-1200 & 1201. Lock angle: STD 8

Part Number: RSC-PAC-R349-16

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Estimated Ship Date: Apr 13, 2026 if ordered today

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Valve Locks, 8 degree, Square Groove-style, Machined, Steel, 1-groove, 0.342 in. Stem Diameter, Set of 16 Pairs

Part Number: RSC-PAC-L8035-16

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Estimated Ship Date: Apr 13, 2026 if ordered today

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Dual Spring 300 Series Retainer - Retainer for PAC-1200 & 1201. Lock angle: STD 8

Part Number: RSC-PAC-R349

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Estimated Ship Date: Apr 13, 2026 if ordered today

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