Availability
Valve Springs, Dual, 1.545 in. Outside Diameter, 638 lbs./in. Rate, 1.100 in. Coil Bind Height, Super Finish, Set of 16
Part Number: CCA-26944-16
Not Yet Reviewed
Estimated Ship Date: Dec 17, 2025 if ordered today
Estimated Ship Date: Dec 17, 2025 if ordered today
Harmonic Balancer, Internal Balance, Steel, Black, Dual Key, Chevy/GMC, Big Block, Each
Part Number: FLU-800151
Not Yet Reviewed
Estimated Ship Date: Oct 27, 2025 if ordered today
Estimated Ship Date: Oct 27, 2025 if ordered today
Valve Springs, 1300 Series Circle Track, Dual, 1.550 in. O.D., 663 lbs./in. Rate, 1.150 in. Coil Bind Height, Set of 16
Part Number: RSC-PAC-1326-16
Not Yet Reviewed
Valve Spring Kit, Platinum, Dual, Standard, Titanium Retainer, 0.060 in. Thick, 462 lbs./in. Spring Rate, Machined Factory Valve Guides, Kit
Part Number: BTC-SK004-T-6560
Not Yet Reviewed
Estimated Ship Date: Nov 7, 2025 if ordered today
Estimated Ship Date: Nov 7, 2025 if ordered today
Valve Springs, Dual, 1.500 in. Outside Diameter, 800 lbs./in. Rate, 1.130 in. Coil Bind Height, Set of 16
Part Number: MAN-221456-16
Not Yet Reviewed
Estimated Ship Date: Dec 8, 2025 if ordered today
Estimated Ship Date: Dec 8, 2025 if ordered today
Valve Spring Kit, Platinum, Dual, Standard, Titanium Retainer, 0.060 in. Thick, 409 lbs./in. Spring Rate, Bronze Valve Guides, Kit
Part Number: BTC-SK702-6560BB
Not Yet Reviewed
Estimated Ship Date: Nov 7, 2025 if ordered today
Estimated Ship Date: Nov 7, 2025 if ordered today
Valve Springs, Dual, 1.560 in. Outside Diameter, 533 lbs./in. Rate, 1.200 in. Coil Bind Height, Set of 16
Part Number: MAN-221442-16
Not Yet Reviewed
Estimated Ship Date: Dec 8, 2025 if ordered today
Estimated Ship Date: Dec 8, 2025 if ordered today
Valve Springs, Dual, 1.570 in. Outside Diameter, 510 lbs./in. Rate, 1.200 in. Coil Bind Height, Set of 16
Part Number: ISK-9995RAD
Not Yet Reviewed
Estimated Ship Date: Dec 1, 2025 if ordered today
Estimated Ship Date: Dec 1, 2025 if ordered today
Valve Springs, Retainers, Dual Springs, Titanium Retainers, Steel Locks, Single Groove, Kit
Part Number: CXM-VSK143306
Not Yet Reviewed
Estimated Ship Date: Nov 12, 2025 if ordered today
Estimated Ship Date: Nov 12, 2025 if ordered today
1.536" OD 2.250 1.00" Dual Spring
Part Number: RSC-PAC-1361-16
Not Yet Reviewed
Estimated Ship Date: Nov 7, 2025 if ordered today
Estimated Ship Date: Nov 7, 2025 if ordered today
Valve Springs, 1300 Series, Dual, 1.574 in. O.D., 550 lbs./in. Rate, 1.150 in. Coil Bind Height, Set of 16
Part Number: RSC-PAC-1395-16
Not Yet Reviewed
Estimated Ship Date: Oct 27, 2025 if ordered today
Estimated Ship Date: Oct 27, 2025 if ordered today
Valve Springs, Valve Spring, Dual, 1.550 OD
Part Number: HRS-98816
Not Yet Reviewed
Estimated Ship Date: Nov 3, 2025 if ordered today
Estimated Ship Date: Nov 3, 2025 if ordered today
Valve Springs, Dual, 1.560 in. Outside Diameter, 508 lbs./in. Rate, 1.160 in. Coil Bind Height, Set of 16
Part Number: CRO-68775-16
Not Yet Reviewed
Estimated Ship Date: Dec 2, 2025 if ordered today
Estimated Ship Date: Dec 2, 2025 if ordered today
Valve Springs, Dual, 1.430 in. Outside Diameter, 330 lbs./in. Rate, 1.120 in. Coil Bind Height, Set of 16
Part Number: ISK-9955RAD
Estimated Ship Date: Dec 1, 2025 if ordered today
Estimated Ship Date: Dec 1, 2025 if ordered today
Valve Spring, Godzilla, Beehive, Dual Spring, 0.650 in. Valve Lift, Titanium Retainers, Ford, Kit
Part Number: MML-VSFD2302375
Not Yet Reviewed
Valve Springs, Dual, 1.570 in. o.d., 1.200 in. Coil Bind Height, 0.800 in. Maximum Lift, Set of 16
Part Number: ISK-9989-RAD
Not Yet Reviewed
Estimated Ship Date: Dec 2, 2025 if ordered today
Estimated Ship Date: Dec 2, 2025 if ordered today
Harmonic Balancer, External Balance, Steel, Black, Dual Key, Chevy/GMC, Big Block, Each
Part Number: FLU-800121
Estimated Ship Date: Oct 30, 2025 if ordered today
Estimated Ship Date: Oct 30, 2025 if ordered today
Harmonic Balancer, External Balance, Steel, Black, Dual Key, Chevy/GMC, Big Block, Each
Part Number: FLU-800181
Not Yet Reviewed
Estimated Ship Date: Oct 27, 2025 if ordered today
Estimated Ship Date: Oct 27, 2025 if ordered today
Valve Springs, Dual, 1.650 in. Outside Diameter, 635 lbs./in. Rate, 1.105 in. Coil Bind Height, Polished, Set of 16
Part Number: MAN-221454P-16
Not Yet Reviewed
Estimated Ship Date: Oct 27, 2025 if ordered today
Estimated Ship Date: Oct 27, 2025 if ordered today
Valve Springs, Dual, 1.500 in. Outside Diameter, 800 lbs./in. Rate, 1.130 in. Coil Bind Height, Set of 16
Part Number: MAN-221457-16
Not Yet Reviewed
Estimated Ship Date: Oct 27, 2025 if ordered today
Estimated Ship Date: Oct 27, 2025 if ordered today
Valve Springs, 1300 Series, Dual, 1.574 in. O.D., 538 lbs./in. Rate, 1.150 in. Coil Bind Height, Set of 16
Part Number: RSC-PAC-1396-16
Not Yet Reviewed
Estimated Ship Date: Oct 27, 2025 if ordered today
Estimated Ship Date: Oct 27, 2025 if ordered today
Valve Springs, Valve Spring, Dual, 1.574 OD, .744 ID
Part Number: HRS-98884
Not Yet Reviewed
Estimated Ship Date: Nov 3, 2025 if ordered today
Estimated Ship Date: Nov 3, 2025 if ordered today
Valve Springs, Hot Rod Series, Dual, 1.290 in. O.D., Titanium Retainers, 7 degree Locks, Kit
Part Number: RSC-PAC-KS17
Not Yet Reviewed
Estimated Ship Date: Oct 27, 2025 if ordered today
Estimated Ship Date: Oct 27, 2025 if ordered today
Valve Springs, 1500 Series Circle Track Endurance, Dual, 1.284 in. O.D., 560 lbs./in. Rate, 1.180 in. Coil Bind Height, Set of 16
Part Number: RSC-PAC-1530-16
Not Yet Reviewed
Estimated Ship Date: Oct 27, 2025 if ordered today
Estimated Ship Date: Oct 27, 2025 if ordered today
Valve Springs, 1500 Series, Dual, 1.514 in. O.D., 483 lbs./in. Rate, 1.160 in. Coil Bind Height, Set of 16
Part Number: RSC-PAC-1561-16
Not Yet Reviewed
Estimated Ship Date: Oct 27, 2025 if ordered today
Estimated Ship Date: Oct 27, 2025 if ordered today
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