Availability
PAC Racing Springs Engines & Components
Steel Valve Locks - Standard 10 degree - Radius Groove
Part Number: RSC-PAC-L8159
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Locks, Machined, Steel, 7 Degree, 1-Groove, 0.315 in. Valve Stem, Pair
Part Number: RSC-PAC-L8113
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Spring, 1200 Series Drag Race, Triple, 1.645 in. O.D., 687 lbs./in. Rate, 1.130 in. Coil Bind Height, Each
Part Number: RSC-PAC-1248
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Beehive Spring Retainer 300 Series - Retainer for PAC-1255, 1295, & 1595 Valve Springs. Lock angle: STD 10 de
Part Number: RSC-PAC-R313-16
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Steel Spring Seats (0.030 thick)
Part Number: RSC-PAC-S127-16
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Springs, Beehive, Single, 1.105 in. O.D., 342 lbs./in. Rate, 0.900 in. Coil Bind Height, Each
Part Number: RSC-PAC-1223
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Spring Retainer, 300 Series, Steel, 1.035 in. O.D., Single, Beehive, 7 degree, Each
Part Number: RSC-PAC-R311
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Springs, Specialty and Class Specific, Single, 1.454 in. O.D., 500 lbs./in. Rate, 1.190 in. Coil Bind Height, Set of 16
Part Number: RSC-PAC-1427-16
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Spring Locator, Inside Locating Shoulder, Steel, 1.500 in. O.D., 0.570 in. I.D., 0.060 in. Thick, Set of 16
Part Number: RSC-PAC-S110-16
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Spring Shims, Hardened, 1.25 in. O.D., 0.570 in. I.D., 0.030 in. Thick, Each
Part Number: RSC-PAC-S189
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Spring, 1300 Series, Dual, 1.500 in. Outside Diameter, 780 lb/in., 0.726 in Inside Diameter, Set of 16
Part Number: RSC-PAC-1355-16
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Steel Spring Seats (0.060 Thickness)
Part Number: RSC-PAC-S109-16
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Spring, 1200 Series, Dual, 1.244 in. Outside Diameter, 540 lb/in Rate, 0.624 in. Inside Diameter, Each
Part Number: RSC-PAC-1202
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Spring Shims, Hardened, 1.25 in. O.D., 0.570 in. I.D., 0.020 in. Thick, Each
Part Number: RSC-PAC-S190
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Steel Spring Seats (0.060 Thickness)
Part Number: RSC-PAC-S119-16
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Spring, 1200 Series, Beehive, Single, 1.025 in. O.D., 300 lbs./in. Rate, 1.060 in. Coil Bind Height, Each
Part Number: RSC-PAC-1233
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Spring Locator, Inside Locating Shoulder, Chromoly, 1.270 in. O.D., 0.575 in. I.D., 0.060 in. Thick, Each
Part Number: RSC-PAC-S138
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Locks, 8mm Stem, Single Radius Groove, -0.05 in. Installed Height, 7 Degree Lock Angle, Steel, Machined, Chevy, LS-1, Pair
Part Number: RSC-PAC-L8116
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Springs, 1200 Series, Single, 1.405 in. O.D., 283 lbs./in. Rate, 1.060 in. Coil Bind Height, Set of 16
Part Number: RSC-PAC-1286-16
Not Yet Reviewed
Estimated Ship Date: May 12, 2026 if ordered today
Estimated Ship Date: May 12, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Titanium Valve Locks - Standard 10 degree - Radius Groove - +0.050 Install Height
Part Number: RSC-PAC-L8008
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Springs, Beehive, Single, 1.105 in. O.D., 342 lbs./in. Rate, 0.900 in. Coil Bind Height, Set of 16
Part Number: RSC-PAC-1223-16
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Spring Shims, Hardened, 1.25 in. O.D., 0.570 in. I.D., 0.015 in. Thick, Each
Part Number: RSC-PAC-S191
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Spring Locator, Seat and Cup for Dual Springs, Inside Locating Shoulder Type, 1.550 in. O.D., 0.855 in./0.575 in. Dia. Steps, Chromoly, Each
Part Number: RSC-PAC-S101
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Springs, Beehive, Single, 1.061 in. O.D., 191 lbs./in. Rate, 1.020 in. Coil Bind Height, Each
Part Number: RSC-PAC-1214
Estimated Ship Date: Today
Estimated Ship Date: Today
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