Availability
Valve Springs, Conical, Single, 1.165 in. Coil Bind Height, 361 lbs./in. Spring Rate, Set of 16
Part Number: BTC-SK017
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 Retainers and Locks, Valve Stem Seals, Chevrolet, Small Block LS, Kit
Part Number: BTC-SK427
Not Yet Reviewed
Estimated Ship Date: Nov 26, 2025 if ordered today
Estimated Ship Date: Nov 26, 2025 if ordered today
VALVE SPRING, BTR PLATINUM DODGE VIPER DUAL SPRING KIT - .660" LIFT
Part Number: BTC-SK010VSLS
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, 377 lbs./in. Spring Rate, Factory Valve Guides, Kit
Part Number: BTC-SK006-0545BB
Not Yet Reviewed
Estimated Ship Date: Dec 8, 2025 if ordered today
Estimated Ship Date: Dec 8, 2025 if ordered today
VALVE SPRING RETAINER, BTR TITANIUM DUAL SPRING RETAINER FOR PLATINUM SPRINGS minus .045" installed height (fit PAC 1200 & 1900)
Part Number: BTC-SR0081
Not Yet Reviewed
Estimated Ship Date: Monday 11/24/2025
Estimated Ship Date: Monday 11/24/2025
Valve Spring Retainers, 1.200 in. O.D. Outer Spring, 0.670 in. I.D. Inner Spring, 0.344 in. Stem Diameter, 7 Degree Lock, Standard Spring, Set of 16
Part Number: BTC-SR004-16
Not Yet Reviewed
Estimated Ship Date: Dec 8, 2025 if ordered today
Estimated Ship Date: Dec 8, 2025 if ordered today
Valve Spring Retainers, 1.200 in. O.D. Outer Spring, 0.670 in. I.D. Inner Spring, 0.344 in. Stem Diameter, 7 Degree Lock, Standard Spring, Each
Part Number: BTC-SR0041
Not Yet Reviewed
Estimated Ship Date: Dec 8, 2025 if ordered today
Estimated Ship Date: Dec 8, 2025 if ordered today
Valve Spring Retainers, 1.200 in. O.D. Outer Spring, 0.670 in. I.D. Inner Spring, 0.344 in. Stem Diameter, 7 Degree Lock, Standard Spring, Set of 16
Part Number: BTC-SR004S-16
Not Yet Reviewed
Estimated Ship Date: Dec 8, 2025 if ordered today
Estimated Ship Date: Dec 8, 2025 if ordered today
Valve Spring Retainers, 1.061 in. I.D. Outer Spring, 0.660 in. I.D. Inner Spring, 7mm Stem Diameter, 7 Degree Lock, Standard Spring, Kit
Part Number: BTC-SR005S-16
Not Yet Reviewed
Estimated Ship Date: Dec 8, 2025 if ordered today
Estimated Ship Date: Dec 8, 2025 if ordered today
Valve Spring Retainers, 1.061 in. O.D. Outer Spring, 0.640 in. I.D. Inner Spring, 7mm Stem Diameter, 7 Degree Lock, Standard Spring, Set of 16
Part Number: BTC-SR009-16
Not Yet Reviewed
Estimated Ship Date: Dec 8, 2025 if ordered today
Estimated Ship Date: Dec 8, 2025 if ordered today
VALVE SPRING, BTR TITANIUM RETAINER - FOR .600" LIFT 2V MODULAR SPRINGS - SOLD INDIVIDUALLY - SR009-1
Part Number: BTC-SR0091
Not Yet Reviewed
Estimated Ship Date: Monday 11/24/2025
Estimated Ship Date: Monday 11/24/2025
Valve Spring Retainers, 1.200 in. O.D. Outer Spring, 0.670 in. I.D. Inner Spring, 0.344 in. Stem Diameter, 7 Degree Lock, Standard Spring, Each
Part Number: BTC-SR004S1
Not Yet Reviewed
Estimated Ship Date: Dec 8, 2025 if ordered today
Estimated Ship Date: Dec 8, 2025 if ordered today
Valve Spring Retainers, 1.300 in. O.D. Outer Spring, 0.670 in. I.D. Inner Spring, 8mm Stem Diameter, 7 Degree Lock, Standard Spring, Set of 16
Part Number: BTC-SR006-16
Not Yet Reviewed
Estimated Ship Date: Dec 8, 2025 if ordered today
Estimated Ship Date: Dec 8, 2025 if ordered today
VALVE SPRING RETAINER, BTR TITANIUM RETAINER - LS9 - SOLD INDIVIDUALLY - SR006-1
Part Number: BTC-SR0061
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, Steel Retainer, 0.060 in. Thick, 462 lbs./in. Spring Rate, Factory Valve Guides, Kit
Part Number: BTC-SK004-S-6560
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, 377 lbs./in. Spring Rate, Bronze Valve Guides, Kit
Part Number: BTC-SK006-6560BB
Not Yet Reviewed
Estimated Ship Date: Dec 8, 2025 if ordered today
Estimated Ship Date: Dec 8, 2025 if ordered today
VALVE SPRING, BTR PLATINUM DODGE VIPER DUAL SPRING KIT - .660" LIFT
Part Number: BTC-SK012VSLS
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, Factory Valve Guides, Kit
Part Number: BTC-SK707-0560BB
Not Yet Reviewed
Estimated Ship Date: Dec 8, 2025 if ordered today
Estimated Ship Date: Dec 8, 2025 if ordered today
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