Availability
Valve Spring Kit, Platinum, Dual, Standard, Titanium Retainer, 0.060 in. Thick, 377 lbs./in., Bronze Valve Guides, Kit
Part Number: BTC-SK001T6560BB
Estimated Ship Date: Monday 11/24/2025
Estimated Ship Date: Monday 11/24/2025
Valve Spring Kit, Platinum, Dual, Standard, Titanium Retainer, 377 lbs./in. Spring Rate, Gen V LT4, Kit
Part Number: BTC-SK008-BB
Not Yet Reviewed
Estimated Ship Date: Monday 11/24/2025
Estimated Ship Date: Monday 11/24/2025
Valve Spring, Conical, 165 lbs. @ 1.875 in., 400 lbs. @ 1.225 in., 0.650 in. Max Lift, LT1/L86, Set of 16
Part Number: BTC-SK013
Estimated Ship Date: Monday 11/24/2025
Estimated Ship Date: Monday 11/24/2025
Valve Spring Kit, Platinum, Dual, Standard, Steel Retainer, 0.045 in. Thick, 377 lbs./in., Factory Valve Guides, Kit
Part Number: BTC-SK001S0545BB
Not Yet Reviewed
Estimated Ship Date: Monday 11/24/2025
Estimated Ship Date: Monday 11/24/2025
LIFTERS
Part Number: BTC-X17120735-16
Not Yet Reviewed
Estimated Ship Date: Monday 11/24/2025
Estimated Ship Date: Monday 11/24/2025
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-SR001-16
Estimated Ship Date: Monday 11/24/2025
Estimated Ship Date: Monday 11/24/2025
Estimated Ship Date: Monday 11/24/2025
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-SR001S-16
Estimated Ship Date: Monday 11/24/2025
Estimated Ship Date: Monday 11/24/2025
Valve Spring Retainers, 1.060 in. O.D. Outer Spring, 0.640 in. I.D. Inner Spring, 8mm Stem Diameter, 7 Degree Lock, Beehive Spring, Kit
Part Number: BTC-SR010-16
Not Yet Reviewed
Estimated Ship Date: Monday 11/24/2025
Estimated Ship Date: Monday 11/24/2025
VALVE SPRING RETAINER, BTR TI-17 RETAINER SET - SR532-16
Part Number: BTC-SR53216
Not Yet Reviewed
Estimated Ship Date: Monday 11/24/2025
Estimated Ship Date: Monday 11/24/2025
Valve Spring Kit, Platinum, Dual, Standard, Titanium Retainer, 0.045 in. Thick, 377 lbs./in., Factory Valve Guides, Kit
Part Number: BTC-SK001T0545BB
Not Yet Reviewed
Estimated Ship Date: Monday 11/24/2025
Estimated Ship Date: Monday 11/24/2025
Valve Springs, Platinum Valve Spring Kit, Standard Spring Style, Dual, 1.285 in. O.D., Titanium Retainers, Steel 7 degree Locks, Valve Stem Seals, Kit
Part Number: BTC-SK011VSLS
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, 377 lbs./in., Bronze Valve Guides, Kit
Part Number: BTC-SK001S6560BB
Not Yet Reviewed
Estimated Ship Date: Monday 11/24/2025
Estimated Ship Date: Monday 11/24/2025
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: Monday 11/24/2025
Estimated Ship Date: Monday 11/24/2025
Valve Spring Retainers, 1.300 in. O.D. Outer Spring, 0.660 in. I.D. Inner Spring, 8mm Stem Diameter, 7 Degree Lock, Standard Spring, Set of 16
Part Number: BTC-SR008-16
Not Yet Reviewed
Estimated Ship Date: Monday 11/24/2025
Estimated Ship Date: Monday 11/24/2025
Valve Spring Kit, Platinum, Dual, Standard, Titanium Retainer, 377 lbs./in. Spring Rate, Factory Valve Guides, Kit
Part Number: BTC-SK006-0560BB
Not Yet Reviewed
Estimated Ship Date: Monday 11/24/2025
Estimated Ship Date: Monday 11/24/2025
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: Monday 11/24/2025
Estimated Ship Date: Monday 11/24/2025
Trunnion Bushing, Upgrade, Chevrolet, Small Block LS, Each
Part Number: BTC-LSTB
Not Yet Reviewed
Estimated Ship Date: Monday 11/24/2025
Estimated Ship Date: Monday 11/24/2025
Valve Spring Kit, Platinum, Dual, Standard, Titanium Retainer, 0.060 in. Thick, 377 lbs./in., Dart/RHS Valve Guides, Kit
Part Number: BTC-SK001T2060BB
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-SK007-6560BB
Not Yet Reviewed
Estimated Ship Date: Dec 8, 2025 if ordered today
Estimated Ship Date: Dec 8, 2025 if ordered today
Valve Springs, Conical, 160 lbs. @ 1.875 in., 395 lbs. @ 1.225 in., 0.650 in. Max Lift, LT4, Kit
Part Number: BTC-SK014
Not Yet Reviewed
Estimated Ship Date: Dec 8, 2025 if ordered today
Estimated Ship Date: Dec 8, 2025 if ordered today
STEEL RETAINER
Part Number: BTC-SR001S-1
Not Yet Reviewed
Estimated Ship Date: Monday 11/24/2025
Estimated Ship Date: Monday 11/24/2025
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, Titanium, Each
Part Number: BTC-SR001-1
Not Yet Reviewed
Estimated Ship Date: Monday 11/24/2025
Estimated Ship Date: Monday 11/24/2025
VALVE SPRING, BTR TITANIUM RETAINER - FOR BTR DROP-IN BEEHIVE SPRING - LS7/LS9 /GEN V LT1 - SOLD INDIVIDUALLY - SR010-1
Part Number: BTC-SR0101
Not Yet Reviewed
Estimated Ship Date: Monday 11/24/2025
Estimated Ship Date: Monday 11/24/2025
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
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