Availability
Valve Springs
BTR .625 LIFT BEEHIVE VALVE SPRING KIT FOR .520" GUIDES
Part Number: BTC-S0521
Not Yet Reviewed
Estimated Ship Date: Feb 26, 2026 if ordered today
Estimated Ship Date: Feb 26, 2026 if ordered today
BTR .625 LIFT BEEHIVE VALVE SPRING KIT .565" BRONZE GUIDES
Part Number: BTC-S0522
Not Yet Reviewed
Estimated Ship Date: Feb 26, 2026 if ordered today
Estimated Ship Date: Feb 26, 2026 if ordered today
BTR VALVE SPRING KIT FOR LT1/L83, .685 SPRING W/ VALVE TIP SAVER
Part Number: BTC-S0523
Not Yet Reviewed
Estimated Ship Date: Feb 26, 2026 if ordered today
Estimated Ship Date: Feb 26, 2026 if ordered today
BTR .660" DUAL VALVE SPRING KIT GEN V LT V6
Part Number: BTC-S0524
Not Yet Reviewed
Estimated Ship Date: Feb 26, 2026 if ordered today
Estimated Ship Date: Feb 26, 2026 if ordered today
BTR LS9 .685" LIFT VALVE SPRING KIT
Part Number: BTC-S0525
Not Yet Reviewed
Estimated Ship Date: Feb 26, 2026 if ordered today
Estimated Ship Date: Feb 26, 2026 if ordered today
BTR MAX PRESSURE GEN 2 LT/SBC DUAL SPRING KIT - .650" LIFT - FOR ROLLER ROCKERS - SK004
Part Number: BTC-SK004-S-0560
Not Yet Reviewed
Estimated Ship Date: Feb 26, 2026 if ordered today
Estimated Ship Date: Feb 26, 2026 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: Feb 26, 2026 if ordered today
Estimated Ship Date: Feb 26, 2026 if ordered today
.650" Lift BTR Max Pressure Gen II LT Spring Kit; TI Retainers
Part Number: BTC-SK004-T-0560
Not Yet Reviewed
Estimated Ship Date: Feb 26, 2026 if ordered today
Estimated Ship Date: Feb 26, 2026 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: Feb 26, 2026 if ordered today
Estimated Ship Date: Feb 26, 2026 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: Feb 26, 2026 if ordered today
Estimated Ship Date: Feb 26, 2026 if ordered today
Valve Springs, .660 Lift BTR Platinum Gen II Dodge Viper Spring Kit; Titanium Retainers
Part Number: BTC-SK011
Not Yet Reviewed
Estimated Ship Date: Feb 26, 2026 if ordered today
Estimated Ship Date: Feb 26, 2026 if ordered today
Valve Springs, .660 Lift BTR Platinum Gen III Dodge Viper Spring Kit; Titanium Retainers
Part Number: BTC-SK012
Not Yet Reviewed
Estimated Ship Date: Feb 26, 2026 if ordered today
Estimated Ship Date: Feb 26, 2026 if ordered today
BTR .685" LIFT GEN V LT4 SPRING KIT
Part Number: BTC-S0526
Not Yet Reviewed
Estimated Ship Date: Feb 26, 2026 if ordered today
Estimated Ship Date: Feb 26, 2026 if ordered today
BTR .685 LIFT SPRING KIT W/ TITANIUM RETAINERS AND VALVE TIP SAVER
Part Number: BTC-S0473
Not Yet Reviewed
Estimated Ship Date: Feb 26, 2026 if ordered today
Estimated Ship Date: Feb 26, 2026 if ordered today
BTR .660 LIFT VALVE TIP SAVER SPRING KIT W/ .565 ID LOCATOR
Part Number: BTC-S0476
Not Yet Reviewed
Estimated Ship Date: Feb 26, 2026 if ordered today
Estimated Ship Date: Feb 26, 2026 if ordered today
BTR PLATINUM LS9 DUAL SPRING KIT - .660" LIFT - SK006
Part Number: BTC-S0479
Not Yet Reviewed
Estimated Ship Date: Feb 26, 2026 if ordered today
Estimated Ship Date: Feb 26, 2026 if ordered today
BTR SPRING KIT - SOLID ROLLER - BTRXP1237
Part Number: BTC-S0485
Not Yet Reviewed
Estimated Ship Date: Feb 26, 2026 if ordered today
Estimated Ship Date: Feb 26, 2026 if ordered today
BTR LS DUAL SPRING KIT - .685" LIFT - SK701 - DART OR RHS VALVE GUIDES - .060 RETAINER
Part Number: BTC-S0487
Not Yet Reviewed
Estimated Ship Date: Feb 26, 2026 if ordered today
Estimated Ship Date: Feb 26, 2026 if ordered today
BTR .685" GEN V LT4 SPRING KIT BRONZE GUIDES
Part Number: BTC-S0527
Not Yet Reviewed
Estimated Ship Date: Feb 26, 2026 if ordered today
Estimated Ship Date: Feb 26, 2026 if ordered today
VALVE SPRING, BTR PLATINUM DODGE VIPER DUAL SPRING KIT - .660" LIFT
Part Number: BTC-SK012VSLS
Not Yet Reviewed
Estimated Ship Date: Feb 26, 2026 if ordered today
Estimated Ship Date: Feb 26, 2026 if ordered today
BTR GEN III HEMI 09 UP VVT .650" LIFT SPRING KIT WITH TIP SAVERS
Part Number: BTC-SK017-TS
Not Yet Reviewed
Estimated Ship Date: Feb 26, 2026 if ordered today
Estimated Ship Date: Feb 26, 2026 if ordered today
BTR .625" LIFT CONICAL LS7 VALVE SPRING KIT STOCK GUIDES
Part Number: BTC-SK021-0545
Not Yet Reviewed
Estimated Ship Date: Feb 26, 2026 if ordered today
Estimated Ship Date: Feb 26, 2026 if ordered today
BTR .625" LIFT CONICAL LS7 VALVE SPRING KIT BRONZE GUIDES
Part Number: BTC-SK021-6545
Not Yet Reviewed
Estimated Ship Date: Feb 26, 2026 if ordered today
Estimated Ship Date: Feb 26, 2026 if ordered today
Valve Spring, Beehive, Single, 0.550 in. Maximum Valve Lift, 317 lbs./in. Spring Rate, 1.070 in. Coil Bind Height, Each
Part Number: BTC-SP0051
Not Yet Reviewed
Estimated Ship Date: Feb 26, 2026 if ordered today
Estimated Ship Date: Feb 26, 2026 if ordered today
.550" Lift BTR Ford 3V Modular Valve Spring
Part Number: BTC-SP007-1
Not Yet Reviewed
Estimated Ship Date: Feb 26, 2026 if ordered today
Estimated Ship Date: Feb 26, 2026 if ordered today
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