Availability
Valve Springs
VALVE SPRING
Part Number: PIO-RV-745-100
Not Yet Reviewed
Estimated Ship Date: Apr 15, 2026 if ordered today
Estimated Ship Date: Apr 15, 2026 if ordered today
VALVE SPRING
Part Number: PIO-RV-1130-100
Not Yet Reviewed
Estimated Ship Date: Apr 15, 2026 if ordered today
Estimated Ship Date: Apr 15, 2026 if ordered today
VALVE SPRING
Part Number: PIO-RV-1105-100
Not Yet Reviewed
Estimated Ship Date: Apr 15, 2026 if ordered today
Estimated Ship Date: Apr 15, 2026 if ordered today
VALVE SPRING
Part Number: PIO-RV-1257-100
Not Yet Reviewed
Estimated Ship Date: Apr 15, 2026 if ordered today
Estimated Ship Date: Apr 15, 2026 if ordered today
VALVE SPRINGS
Part Number: HRS-98824
Not Yet Reviewed
Estimated Ship Date: May 20, 2026 if ordered today
Estimated Ship Date: May 20, 2026 if ordered today
Valve Spring, 1300 Series Drag Race, Dual, 1.625 in. O.D., 629 lbs./in. Rate, 1.100 in. Coil Bind Height, Each
Part Number: RSC-PAC-1324
Not Yet Reviewed
Estimated Ship Date: May 27, 2026 if ordered today
Estimated Ship Date: May 27, 2026 if ordered today
BTR 1515 VALVE SPRING SET
Part Number: BTC-BTR-1515-16
Not Yet Reviewed
Estimated Ship Date: Apr 13, 2026 if ordered today
Estimated Ship Date: Apr 13, 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: Apr 13, 2026 if ordered today
Estimated Ship Date: Apr 13, 2026 if ordered today
GEN V CONICAL SPRING SET OF 16
Part Number: BTC-SP014-16
Not Yet Reviewed
Estimated Ship Date: Apr 13, 2026 if ordered today
Estimated Ship Date: Apr 13, 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: Apr 13, 2026 if ordered today
Estimated Ship Date: Apr 13, 2026 if ordered today
BTR .625 LIFT BEEHIVE VALVE SPRING KIT FOR .520" GUIDES
Part Number: BTC-S0521
Not Yet Reviewed
Estimated Ship Date: Apr 13, 2026 if ordered today
Estimated Ship Date: Apr 13, 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: Apr 13, 2026 if ordered today
Estimated Ship Date: Apr 13, 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: Apr 13, 2026 if ordered today
Estimated Ship Date: Apr 13, 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: Apr 13, 2026 if ordered today
Estimated Ship Date: Apr 13, 2026 if ordered today
BTR .685" LIFT GEN V LT4 SPRING KIT
Part Number: BTC-S0526
Not Yet Reviewed
Estimated Ship Date: Apr 13, 2026 if ordered today
Estimated Ship Date: Apr 13, 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: Apr 13, 2026 if ordered today
Estimated Ship Date: Apr 13, 2026 if ordered today
BTR SPRING KIT - SOLID ROLLER - BTRXP1237
Part Number: BTC-S0485
Not Yet Reviewed
Estimated Ship Date: Apr 13, 2026 if ordered today
Estimated Ship Date: Apr 13, 2026 if ordered today
BTR BEEHIVE SPRING SET .550 LIFT SET OF 12
Part Number: BTC-BTR91120-12
Not Yet Reviewed
Estimated Ship Date: Apr 13, 2026 if ordered today
Estimated Ship Date: Apr 13, 2026 if ordered today
Valve Spring, 1200 Series Drag Race, Triple, 1.645 in. O.D., 689 lbs./in. Rate, 1.130 in. Coil Bind Height, Each
Part Number: RSC-PAC-1246
Not Yet Reviewed
Estimated Ship Date: May 20, 2026 if ordered today
Estimated Ship Date: May 20, 2026 if ordered today
MX-YAMAHA
Part Number: RSC-PAC-MX143
Not Yet Reviewed
Estimated Ship Date: May 20, 2026 if ordered today
Estimated Ship Date: May 20, 2026 if ordered today
Valve Spring, 1900 Series Hot Rod, Dual, 1.459 in. O.D., 391 lbs./in. Rate, 1.050 in. Coil Bind Height, Each
Part Number: RSC-PAC-1903
Not Yet Reviewed
Estimated Ship Date: May 19, 2026 if ordered today
Estimated Ship Date: May 19, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Dual LS Engine Kit (PAC-1905, PAC-R335, PAC-S129, OE locks and economy seals)
Part Number: RSC-PAC-KS12
Not Yet Reviewed
Estimated Ship Date: May 19, 2026 if ordered today
Estimated Ship Date: May 19, 2026 if ordered today
Valve Spring, 1200 Series Circle Track, Single, 1.244 in. O.D., 450 lbs./in. Rate, 1.100 in. Coil Bind Height, Each
Part Number: RSC-PAC-1200
Not Yet Reviewed
Estimated Ship Date: May 19, 2026 if ordered today
Estimated Ship Date: May 19, 2026 if ordered today
Valve Spring, Solid Flat Tappet/Street Hydraulic Roller Spring, 1.550 O.D., PAC #1924, Each
Part Number: AFR-8016-1
Not Yet Reviewed
Estimated Ship Date: May 27, 2026 if ordered today
Estimated Ship Date: May 27, 2026 if ordered today
Valve Spring, Standard, Single Spring, 1.437 in. Outer Spring Diameter, 0.720 in. Inner Spring Diameter, 1.090 in. Coil Bind Height, Each
Part Number: AFR-8020-1
Not Yet Reviewed
Estimated Ship Date: May 27, 2026 if ordered today
Estimated Ship Date: May 27, 2026 if ordered today
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Jeep®
Restoration
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Circle Track
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