Availability
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Valve Spring, 1200 Series Drag Race, Dual, 1.550 in. O.D., 644 lbs./in. Rate, 1.150 in. Coil Bind Height, Each
Part Number: RSC-PAC-1225
Not Yet Reviewed
Estimated Ship Date: Monday 12/29/2025
Estimated Ship Date: Monday 12/29/2025
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SBC 1.550 Dual Springs, Endurance Solid Roller, .700 Max Lift @ 240 Lb. seat @ 1.900 Installed, 625 Lbs. @ 1.200 Open, 1.130 C.B., 550 Rate, PAC 1243
Part Number: SUM-174030D-16
Not Yet Reviewed
Estimated Ship Date: Monday 12/29/2025
Estimated Ship Date: Monday 12/29/2025
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
Estimated Ship Date: Monday 12/29/2025
Estimated Ship Date: Monday 12/29/2025
Valve Spring, 1300 Series Drag Race, Dual, 0.900 in. Maximum Valve Lift, 780 lbs./in. Rate, 1.130 in. Coil Bind Height, 1.500 in. O.D., Each
Part Number: RSC-PAC-1329
Not Yet Reviewed
Estimated Ship Date: Monday 12/29/2025
Estimated Ship Date: Monday 12/29/2025
Valve Springs, Dual Spring, 1.264/1.029 in Diameter, 325 Lbs/in. Spring Rate, 1.800 in Installed Height, Chevy, Each
Part Number: MEL-466524
Not Yet Reviewed
Estimated Ship Date: Monday 12/29/2025
Estimated Ship Date: Monday 12/29/2025
Valve Springs, Beehive, Single, 1.290 in. O.D., 313 lbs./in. Rate, 1.140 in. Coil Bind Height, Each
Part Number: RSC-PAC-1218
Not Yet Reviewed
Estimated Ship Date: Monday 12/29/2025
Estimated Ship Date: Monday 12/29/2025
Valve Spring, 1300 Series Circle Track, Dual, 1.550 in. O.D., 644 lbs./in. Rate, 1.150 in. Coil Bind Height, Each
Part Number: RSC-PAC-1325
Estimated Ship Date: Monday 12/29/2025
Estimated Ship Date: Monday 12/29/2025
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: Monday 12/29/2025
Estimated Ship Date: Monday 12/29/2025
Valve Springs, Replacement, Standard Style, Dual, 1.550 in. O.D., 640 lbs./in. Spring Rate, for Use with Solid Roller Camshafts, Each
Part Number: AFR-8001-1
Estimated Ship Date: Monday 12/29/2025
Estimated Ship Date: Monday 12/29/2025
Valve Springs, Beehive, Single, 1.210 in. O.D., 358 lbs./in. Rate, 1.130 in. Coil Bind Height, Each
Part Number: RSC-PAC-1235
Not Yet Reviewed
Estimated Ship Date: Monday 12/29/2025
Estimated Ship Date: Monday 12/29/2025
Valve Spring, Single, 1.260 in. o.d., 358 lbs./in. Spring Rate, 1.750 in. Installed Height, Each
Part Number: SUM-174000-1
Not Yet Reviewed
Estimated Ship Date: Monday 12/29/2025
Estimated Ship Date: Monday 12/29/2025
Valve Spring, 1200 Series Circle Track, Single, 1.260 in. O.D., 450 bs./in. Rate, 1.115 in. Coil Bind Height, Each
Part Number: RSC-PAC-1201
Not Yet Reviewed
Estimated Ship Date: Monday 12/29/2025
Estimated Ship Date: Monday 12/29/2025
Valve Spring, Single, 1.250 in. Diameter, Chevy, Buick, Cadillac, GMC, Hummer, Pontiac, Isuzu, Saab, Each
Part Number: MEL-VS-2257
Estimated Ship Date: Monday 12/29/2025
Estimated Ship Date: Monday 12/29/2025
Valve Springs, Single, 1.253 in. Diameter, 104-116 lbs. Seat Pressure, 1.160 in. Coil Bind Height, Each
Part Number: MEL-VS-739R
Not Yet Reviewed
Estimated Ship Date: Monday 12/29/2025
Estimated Ship Date: Monday 12/29/2025
SBC 1.550 Dual Springs, Endurance Solid Roller, .700 Max Lift @ 240 Lb. seat @ 1.900 Installed, 625 Lbs. @ 1.200 Open, 1.130 C.B., 550 Rate, PAC 1243
Part Number: SUM-174030D-1
Not Yet Reviewed
Estimated Ship Date: Monday 12/29/2025
Estimated Ship Date: Monday 12/29/2025
Valve Springs, Single, 1.046/1.263 in. Diameter, 105 lbs. Seat Pressure, 1.139 in. Coil Bind Height, Each
Part Number: MEL-VS-2254
Estimated Ship Date: Monday 12/29/2025
Estimated Ship Date: Monday 12/29/2025
Valve Spring, 1300 Series Drag Race, Triple, 1.645 in. O.D., 688 lbs./in. Rate, 1.130 in. Coil Bind Height, Each
Part Number: RSC-PAC-1358
Not Yet Reviewed
Estimated Ship Date: Monday 12/29/2025
Estimated Ship Date: Monday 12/29/2025
Valve Spring, 1200 Series Drag Race, Triple, 1.645 in. O.D., 689 lbs./in. Rate, 1.130 in. Coil Bind Height, Each
Part Number: RSC-PAC-1249
Not Yet Reviewed
Estimated Ship Date: Monday 12/29/2025
Estimated Ship Date: Monday 12/29/2025
Valve Springs, Dual, 1.550 in. Outside Diameter, 550 lbs./in. Rate, 1.100 in. Coil Bind Height, Super Finish, Each
Part Number: CCA-26943-1
Not Yet Reviewed
Estimated Ship Date: Feb 13, 2026 if ordered today
Estimated Ship Date: Feb 13, 2026 if ordered today
Valve Spring, Dual, 1.550 in. Outside Diameter, 471 lbs./in. Rate, 1.100 in. Coil Bind Height, Each
Part Number: MAN-22441-1
Not Yet Reviewed
Estimated Ship Date: Feb 6, 2026 if ordered today
Estimated Ship Date: Feb 6, 2026 if ordered today
SPRING
Part Number: MAN-221420-1
Not Yet Reviewed
Estimated Ship Date: Feb 6, 2026 if ordered today
Estimated Ship Date: Feb 6, 2026 if ordered today
Valve Springs, 1200 Series, Dual, 1.550 in. O.D., 663 lbs./in. Rate, 1.150 in. Coil Bind Height, Each
Part Number: RSC-PAC-1226
Not Yet Reviewed
Estimated Ship Date: Monday 12/29/2025
Estimated Ship Date: Monday 12/29/2025
Valve Spring, PAC Racing, Dual, 1.275 in. Outside Diameter, 450 lbs./in. Rate, 1.080 in. Coil Bind, Each
Part Number: TFS-16306-1
Estimated Ship Date: Monday 12/29/2025
Estimated Ship Date: Monday 12/29/2025
Valve Springs, Single, 1.440 in. Outside Diameter, 350 lbs./in. Rate, 1.100 in. Coil Bind Height, Each
Part Number: CCA-26942-1
Not Yet Reviewed
Estimated Ship Date: Monday 12/29/2025
Estimated Ship Date: Monday 12/29/2025
Valve Spring, 1200 Series Circle Track, Single, 1.260 in. O.D., 540 lbs./in. Rate, 1.115 in. Coil Bind Height, Each
Part Number: RSC-PAC-1201X
Not Yet Reviewed
Estimated Ship Date: Feb 23, 2026 if ordered today
Estimated Ship Date: Feb 23, 2026 if ordered today
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