Availability
Valve Springs, Hot Rod Series, Dual, 1.645 in. O.D., 580 lbs./in. Rate, 1.130 in. Coil Bind Height, Set of 16
Part Number: RSC-PAC-1950-16
Not Yet Reviewed
Estimated Ship Date: Feb 2, 2026 if ordered today
Estimated Ship Date: Feb 2, 2026 if ordered today
Dual Spring 500 Series Retainer - Titanium Retainer for all 1.050 ID Dual Valve Springs. Lock angle: mini 8
Part Number: RSC-PAC-R544-16
Not Yet Reviewed
Estimated Ship Date: Feb 2, 2026 if ordered today
Estimated Ship Date: Feb 2, 2026 if ordered today
Rocker Arms, Gold Series, Full Roller, 1.5 Ratio, Aluminum, Gold Anodized, Chevy, Small Block, Set of 16
Part Number: SUM-G6810G
Estimated Ship Date: Jan 29, 2026 if ordered today
Estimated Ship Date: Jan 29, 2026 if ordered today
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Estimated Ship Date: Monday 12/8/2025
Rocker Arms, Full Roller, 1.5/1.6 Ratio, Aluminum, Gold Anodized, 3/8 in. Stud, Chevy, Small Block, Set of 16
Part Number: SUM-G6850G
Not Yet Reviewed
Estimated Ship Date: Jan 29, 2026 if ordered today
Estimated Ship Date: Jan 29, 2026 if ordered today
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Valve Spring, 1200 Series, Dual, 1.244 in. Outside Diameter, 540 lb/in, 0.624 in. Inside Diameter, Set of 16
Part Number: RSC-PAC-1202-16
Not Yet Reviewed
Estimated Ship Date: Dec 18, 2025 if ordered today
Estimated Ship Date: Dec 18, 2025 if ordered today
Valve Springs, Specialty and Class Specific, Stock Eliminator GT500/CJ, Intake Spring, 1.083 in. O.D., 377 lbs./in., 1.219 in. Coil Bind, Set of 16
Part Number: RSC-PAC-1413X-16
Not Yet Reviewed
Estimated Ship Date: Feb 2, 2026 if ordered today
Estimated Ship Date: Feb 2, 2026 if ordered today
Valve Springs, Specialty and Class Specific, Stock Eliminator GT500/CJ, Exhaust Spring, 1.083 in. O.D., 377 lbs./in., 1.075 in. Coil Bind, Set of 16
Part Number: RSC-PAC-1414X-16
Not Yet Reviewed
Estimated Ship Date: Feb 2, 2026 if ordered today
Estimated Ship Date: Feb 2, 2026 if ordered today
Dual Spring 600 Series Retainer - Tool Steel Retainer for LS Dual Valve Springs PAC-1221 & 1521 Lock angle: L
Part Number: RSC-PAC-R616-16
Not Yet Reviewed
Estimated Ship Date: Feb 2, 2026 if ordered today
Estimated Ship Date: Feb 2, 2026 if ordered today
SUM-8727 Pro LS Truck Torkinator Level 2 Cam Kit, Beehive Springs, Gaskets, Bolt, 200/205 Dur. 113 +4, .550/.550 Lift, 3-Bolt, 4.8, 5.3, 6.0 , 6.2
Part Number: SUM-8727-2-BHV
Not Yet Reviewed
Cannot be shipped Internationally if ordered today
Cannot be shipped Internationally if ordered today
Valve Springs, Dual, 1.534 in. Outside Diameter, 470 lbs./in. Rate, 1.160 in. Coil Bind Height, Set of 16
Part Number: ISK-9925
Not Yet Reviewed
Estimated Ship Date: Jan 26, 2026 if ordered today
Estimated Ship Date: Jan 26, 2026 if ordered today
Valve Springs, Dual, 1.560 in. Outside Diameter, 470 lbs./in. Rate, 1.170 in. Coil Bind Height, Set of 16
Part Number: ISK-9965
Not Yet Reviewed
Estimated Ship Date: Jan 26, 2026 if ordered today
Estimated Ship Date: Jan 26, 2026 if ordered today
Timing Chain and Gear Set, Ford Modular V8, DOHC Engines, Set
Part Number: SUM-G6782
Not Yet Reviewed
Estimated Ship Date: Dec 23, 2025 if ordered today
Estimated Ship Date: Dec 23, 2025 if ordered today
Dual Spring 500 Series Retainer - Titanium Retainer for PAC-1227, 1239, 1254, 1297 & 1509 Dual Valve Springs.
Part Number: RSC-PAC-R515-16
Not Yet Reviewed
Estimated Ship Date: Dec 23, 2025 if ordered today
Estimated Ship Date: Dec 23, 2025 if ordered today
Dual Spring 500 Series Retainer - Titanium Retainer for PAC-1240, 1340 & 1540 Dual Valve Springs. Lock angle
Part Number: RSC-PAC-R540-16
Not Yet Reviewed
Estimated Ship Date: Dec 23, 2025 if ordered today
Estimated Ship Date: Dec 23, 2025 if ordered today
Dual Spring 600 Series Retainers - Tool Steel Retainer for PAC-1226 & 1326 Dual Valve Springs. Lock angle: S
Part Number: RSC-PAC-R606-16
Not Yet Reviewed
Estimated Ship Date: Dec 23, 2025 if ordered today
Estimated Ship Date: Dec 23, 2025 if ordered today
Dual Spring 600 Series - Tool Steel Retainer for all 1.050 ID Dual Springs. Lock angle: STD 8 degree
Part Number: RSC-PAC-R609-16
Not Yet Reviewed
Estimated Ship Date: Dec 23, 2025 if ordered today
Estimated Ship Date: Dec 23, 2025 if ordered today
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Not Yet Reviewed
Estimated Ship Date: Monday 12/8/2025
Dual Spring 600 Series Retainers - Tool Steel Retainer for PAC-1385 & 1395 Dual Valve Springs. Lock angle: L
Part Number: RSC-PAC-R619-16
Not Yet Reviewed
Estimated Ship Date: Dec 23, 2025 if ordered today
Estimated Ship Date: Dec 23, 2025 if ordered today
Beehive 600 Series Retainer - Ultra Light Weight Steel for Super Stock PAC-1409X Valve Spring. Lock angle: 7
Part Number: RSC-PAC-R633-16
Not Yet Reviewed
Estimated Ship Date: Dec 23, 2025 if ordered today
Estimated Ship Date: Dec 23, 2025 if ordered today
SBC 1.550 Dual Springs, Drag Solid Roller .800 Max Lift @ 275 Lb. seat@ 2.000 Installed, 805 Lb. @ 1.200 Open, 1.150 C.B., 663 Rate, Like PAC 1226
Part Number: SUM-174032D-16
Not Yet Reviewed
Estimated Ship Date: Jan 12, 2026 if ordered today
Estimated Ship Date: Jan 12, 2026 if ordered today
Pro BBC Chevy Big Block Turbo Cam 3, LS Firing Order, 242/242 Duration, 116.5 LSA, 2.5 Adv. .620/.620 lift 1.7 ratio, .655/.655 1.8, 3,700-7000
Part Number: SUM-1264
Not Yet Reviewed
Estimated Ship Date: Dec 26, 2025 if ordered today
Estimated Ship Date: Dec 26, 2025 if ordered today
Dual Spring 500 Series Retainer - Titanium Retainer for PAC-1342, 1386 & 1396 Dual Valve Springs. Lock angle
Part Number: RSC-PAC-R537-16
Not Yet Reviewed
Estimated Ship Date: Jan 26, 2026 if ordered today
Estimated Ship Date: Jan 26, 2026 if ordered today
Dual Spring 600 Series Retainer - Tool Steel Retainer for PAC-1227, 1239, 1254, 1297 & 1509 Dual Valve Springs
Part Number: RSC-PAC-R615-16
Not Yet Reviewed
Estimated Ship Date: Jan 26, 2026 if ordered today
Estimated Ship Date: Jan 26, 2026 if ordered today
Valve Spring Retainers, 500 Series, Triple, Titanium, 1.480 in. O.D., 10 degree, Set of 16
Part Number: RSC-PAC-R522-16
Not Yet Reviewed
Estimated Ship Date: Jan 23, 2026 if ordered today
Estimated Ship Date: Jan 23, 2026 if ordered today
DRAG SPRINGS
Part Number: ISK-1246
Not Yet Reviewed
Estimated Ship Date: Jan 23, 2026 if ordered today
Estimated Ship Date: Jan 23, 2026 if ordered today
Valve Springs, 1200 Series Circle Track, Dual, 1.260 in. Outside Diameter, 610 lb/in, 0.624 in. Inside Diameter, Set of 16
Part Number: RSC-PAC-1203-16
Not Yet Reviewed
Estimated Ship Date: Jan 26, 2026 if ordered today
Estimated Ship Date: Jan 26, 2026 if ordered today
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