Availability
Valve Springs
BTR .660 LIFT VALVE TIP SAVER SPRING KIT W/ .505 ID LOCATOR
Part Number: BTC-S0475
Not Yet Reviewed
Estimated Ship Date: Feb 26, 2026 if ordered today
Estimated Ship Date: Feb 26, 2026 if ordered today
LT4 CONICAL VALVE SPRING KIT WITH VALVE TIP SAVER
Part Number: BTC-BTR-SK014-TS
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-SK010VSLS
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 I Dodge Viper Spring Kit; Titanium Retainers
Part Number: BTC-SK010
Not Yet Reviewed
Estimated Ship Date: Feb 26, 2026 if ordered today
Estimated Ship Date: Feb 26, 2026 if ordered today
Valve Springs, NexTek, Conical Ovate Wire, Single, 1.311 in. O.D., 353 lbs./in. Spring Rate, 1.100 in. Coil Bind Height, Set of 16
Part Number: MAN-221439-16
Not Yet Reviewed
Estimated Ship Date: Mar 27, 2026 if ordered today
Estimated Ship Date: Mar 27, 2026 if ordered today
Valve Spring, Dual, 1.340 in. Outside Diameter, 394 lbs./in. Rate, 1.050 in. Coil Bind Height, Set of 16
Part Number: MAN-221435-16
Not Yet Reviewed
Estimated Ship Date: Mar 27, 2026 if ordered today
Estimated Ship Date: Mar 27, 2026 if ordered today
SPRING-LS-1 .800 LIFT
Part Number: MAN-221421-16
Not Yet Reviewed
Estimated Ship Date: Mar 30, 2026 if ordered today
Estimated Ship Date: Mar 30, 2026 if ordered today
SPRING-1.101 SINGLE
Part Number: MAN-221433-24
Not Yet Reviewed
Estimated Ship Date: Mar 27, 2026 if ordered today
Estimated Ship Date: Mar 27, 2026 if ordered today
Valve Springs, Drag Race, 1.000 in. Lift, Triple, Set of 16
Part Number: BTC-SP44916
Not Yet Reviewed
Estimated Ship Date: Mar 2, 2026 if ordered today
Estimated Ship Date: Mar 2, 2026 if ordered today
BTR LTX CONICAL SPRING KIT FOR BRONZE VALVE GUIDES
Part Number: BTC-SK013-6545
Not Yet Reviewed
Estimated Ship Date: Feb 26, 2026 if ordered today
Estimated Ship Date: Feb 26, 2026 if ordered today
Valve Springs, RPM Series, Dual, 1.290 in. O.D., 409 lbs./in. Rate, 1.000 in. Coil Bind Height, Set of 16
Part Number: RSC-PAC-1206X-16
Not Yet Reviewed
Estimated Ship Date: Apr 8, 2026 if ordered today
Estimated Ship Date: Apr 8, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Valve Springs, 1200 Series, Dual, 1.570 in. O.D., 743 lbs./in. Rate, 1.035 in. Coil Bind Height, Set of 16
Part Number: RSC-PAC-1244-16
Not Yet Reviewed
Estimated Ship Date: Apr 8, 2026 if ordered today
Estimated Ship Date: Apr 8, 2026 if ordered today
Valve Springs, Single, 1.320 in. Outside Diameter, 356 lbs./in. Rate, 1.100 in. Coil Bind Height, Set of 16
Part Number: CCA-26975-16
Not Yet Reviewed
Estimated Ship Date: Apr 6, 2026 if ordered today
Estimated Ship Date: Apr 6, 2026 if ordered today
This product may not be eligible for select promotional offers
Valve Springs, Beehive Series, Single, 1.589 in. O.D., 313 lbs/in. Rate, 1.180 in. Coil Bind Height, Set of 16
Part Number: RSC-PAC-1295X-16
Not Yet Reviewed
Estimated Ship Date: Apr 9, 2026 if ordered today
Estimated Ship Date: Apr 9, 2026 if ordered today
Valve Springs, Dual, 1.304 in. OD, 7 Degree Locks, Titanium Retainers, 392 lbs/in., Set of 16
Part Number: TFS-2500287
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
LS Dual Springs, Hyd. Or LLSR .750 Max Lift @ 160 Lb. seat @ 1.800 Installed, 510 Lb. @1.100 Open, 1.000 C.B., 1.324 Dia., 500 rate, Like PAC 1209X
Part Number: SUM-174011DP-16
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
BBC 1.625 Dual Springs, Solid Roller .850 Max Lift @ 275 Lb. seat @ 2.000 Installed, 810 Lb. @ 1.150 Open, 1.100 C.B., 629 Rate, 152g Like PAC 1224
Part Number: SUM-174042D-16
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
SBC 1.550 Dual Springs, Endurance Solid Roller, .700 Max Lift @ 240 Lb. seat @ 1.900 Installed, 625 Lbs. @ 1.200 Open, 1.130 C.B., 550 Rate, PAC 1243
Part Number: SUM-174030D-16
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Valve Springs, Single, 1.311 in. Outside Diameter, 353 lbs./in. Rate, 1.100 in. Coil Bind Height, Set of 16
Part Number: MAN-221438-16
Not Yet Reviewed
Estimated Ship Date: Mar 30, 2026 if ordered today
Estimated Ship Date: Mar 30, 2026 if ordered today
VALVE SPRING KIT
Part Number: MEL-VSK46672
Not Yet Reviewed
Estimated Ship Date: Mar 9, 2026 if ordered today
Estimated Ship Date: Mar 9, 2026 if ordered today
This product may not be eligible for select promotional offers
Kit-SPRING-TOYOTA 3UR-FE
Part Number: MAN-22205-32
Not Yet Reviewed
Estimated Ship Date: Mar 27, 2026 if ordered today
Estimated Ship Date: Mar 27, 2026 if ordered today
KIT-SPRING/RETAINER
Part Number: MAN-26125
Not Yet Reviewed
Estimated Ship Date: Mar 30, 2026 if ordered today
Estimated Ship Date: Mar 30, 2026 if ordered today
SPRING-NISSAN KA24DE
Part Number: MAN-22160-16
Not Yet Reviewed
Estimated Ship Date: Mar 27, 2026 if ordered today
Estimated Ship Date: Mar 27, 2026 if ordered today
Valve Springs, Dual, 1.324 in. OD, 7 Degree Locks, Titanium Retainers, 460 lbs/in., Set of 16
Part Number: TFS-2500306
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Performance Valve Springs, 120 lbs, Dodge Cummins 5.9L, Set of 12
Part Number: APF-1039032272
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
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