Availability
Valve Spring Kit, Platinum, Dual, Standard, Steel Retainer, 0.060 in. Thick, 377 lbs./in., Factory Valve Guides, Kit
Part Number: BTC-SK001S0560BB
Estimated Ship Date: Monday 1/26/2026
Estimated Ship Date: Monday 1/26/2026
Valve Spring Kit, Platinum, Dual, Standard, Titanium Retainer, 0.060 in. Thick, 377 lbs./in., Factory Valve Guides, Kit
Part Number: BTC-SK001T0560BB
Estimated Ship Date: Monday 1/26/2026
Estimated Ship Date: Monday 1/26/2026
Rocker Arm Trunnion Upgrade Kit, Needle Bearing, Chevy, LS, Kit
Part Number: BTC-TK002NB
Estimated Ship Date: Monday 1/26/2026
Estimated Ship Date: Monday 1/26/2026
Valve Spring Kit, Platinum, Dual, Standard, Titanium Retainer, 0.060 in. Thick, 409 lbs./in. Spring Rate, Factory Valve Guides, Kit
Part Number: BTC-SK702-0560BB
Not Yet Reviewed
Estimated Ship Date: Monday 1/26/2026
Estimated Ship Date: Monday 1/26/2026
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 1/26/2026
Estimated Ship Date: Monday 1/26/2026
Valve Spring Kit, Platinum, Dual, Standard, Titanium Retainer, 377 lbs./in. Spring Rate, Factory Valve Guides, Kit
Part Number: BTC-SK007-0560BB
Estimated Ship Date: Monday 1/26/2026
Estimated Ship Date: Monday 1/26/2026
Rocker Arm Trunnion Upgrade Kit, Needle Bearing, Roller Fulcrum, Chevrolet, 5.3L/6.2L/6.6L Gen V, 7.0L LS, Kit
Part Number: BTC-TK027
Estimated Ship Date: Monday 1/26/2026
Estimated Ship Date: Monday 1/26/2026
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 1/26/2026
Estimated Ship Date: Monday 1/26/2026
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 1/26/2026
Estimated Ship Date: Monday 1/26/2026
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 1/26/2026
Estimated Ship Date: Monday 1/26/2026
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 1/26/2026
Estimated Ship Date: Monday 1/26/2026
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 1/26/2026
Estimated Ship Date: Monday 1/26/2026
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 1/26/2026
Estimated Ship Date: Monday 1/26/2026
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 1/26/2026
Estimated Ship Date: Monday 1/26/2026
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 1/26/2026
Estimated Ship Date: Monday 1/26/2026
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: Feb 9, 2026 if ordered today
Estimated Ship Date: Feb 9, 2026 if ordered today
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 1/26/2026
Estimated Ship Date: Monday 1/26/2026
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 1/26/2026
Estimated Ship Date: Monday 1/26/2026
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 1/26/2026
Estimated Ship Date: Monday 1/26/2026
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: Feb 9, 2026 if ordered today
Estimated Ship Date: Feb 9, 2026 if ordered today
VALVE SPRING RETAINER, BTR TI-17 RETAINER SET - SR532-16
Part Number: BTC-SR53216
Not Yet Reviewed
Estimated Ship Date: Monday 1/26/2026
Estimated Ship Date: Monday 1/26/2026
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: Feb 9, 2026 if ordered today
Estimated Ship Date: Feb 9, 2026 if ordered today
Valve Spring Kit, Platinum, Dual, Standard, Steel Retainer, 0.060 in. Thick, 377 lbs./in., Dart/RHS Valve Guides, Kit
Part Number: BTC-SK001S2060BB
Not Yet Reviewed
Estimated Ship Date: Feb 9, 2026 if ordered today
Estimated Ship Date: Feb 9, 2026 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: Feb 9, 2026 if ordered today
Estimated Ship Date: Feb 9, 2026 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, Titanium, Each
Part Number: BTC-SR001-1
Not Yet Reviewed
Estimated Ship Date: Monday 1/26/2026
Estimated Ship Date: Monday 1/26/2026
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