Availability
Valve Springs
Kit-SPRING-HEMI 6.4L .650 MAX LIFT
Part Number: MAN-221439-1
Not Yet Reviewed
Estimated Ship Date: Mar 30, 2026 if ordered today
Estimated Ship Date: Mar 30, 2026 if ordered today
SPRING-1440 POLISHED
Part Number: MAN-221440P-1
Not Yet Reviewed
Estimated Ship Date: Mar 30, 2026 if ordered today
Estimated Ship Date: Mar 30, 2026 if ordered today
Valve Springs, Dual, 1.560 in. Outside Diameter, 533 lbs./in. Rate, 1.200 in. Coil Bind Height, Each
Part Number: MAN-221442-1
Not Yet Reviewed
Estimated Ship Date: Mar 30, 2026 if ordered today
Estimated Ship Date: Mar 30, 2026 if ordered today
Valve Springs, Dual, 1.580 in. Outside Diameter, 535 lbs./in. Rate, 1.170 in. Coil Bind Height, Each
Part Number: MAN-221443P-1
Not Yet Reviewed
Estimated Ship Date: Mar 30, 2026 if ordered today
Estimated Ship Date: Mar 30, 2026 if ordered today
Valve Spring, Dual, 1.610 in. Outside Diameter, 546 lbs./in. Rate, 1.220 in. Coil Bind Height, Each
Part Number: MAN-221444-1
Not Yet Reviewed
Estimated Ship Date: Mar 30, 2026 if ordered today
Estimated Ship Date: Mar 30, 2026 if ordered today
SPRING-1444 POLISHED
Part Number: MAN-221444P-1
Not Yet Reviewed
Estimated Ship Date: Mar 30, 2026 if ordered today
Estimated Ship Date: Mar 30, 2026 if ordered today
SPRING-1.620 DOUBLE
Part Number: MAN-221445P-1
Not Yet Reviewed
Estimated Ship Date: Mar 30, 2026 if ordered today
Estimated Ship Date: Mar 30, 2026 if ordered today
SPRING-1454 POLISHED
Part Number: MAN-221454P-1
Not Yet Reviewed
Estimated Ship Date: Mar 30, 2026 if ordered today
Estimated Ship Date: Mar 30, 2026 if ordered today
Valve Springs, SPRING-MITSUBISHI 4G63
Part Number: MAN-22115-1
Not Yet Reviewed
Estimated Ship Date: Mar 30, 2026 if ordered today
Estimated Ship Date: Mar 30, 2026 if ordered today
Valve Springs, SPRING-B SERIES NON V
Part Number: MAN-22120-1
Not Yet Reviewed
Estimated Ship Date: Mar 30, 2026 if ordered today
Estimated Ship Date: Mar 30, 2026 if ordered today
Valve Springs, SPRING-HONDA KA20A/K20Z
Part Number: MAN-22140-1
Not Yet Reviewed
Estimated Ship Date: Mar 30, 2026 if ordered today
Estimated Ship Date: Mar 30, 2026 if ordered today
GEN V CONICAL SPRING
Part Number: BTC-SP014-1
Not Yet Reviewed
Estimated Ship Date: Mar 2, 2026 if ordered today
Estimated Ship Date: Mar 2, 2026 if ordered today
Valve Springs, RPM Series, Dual, 1.290 in. O.D., 369 lbs./in. Rate, 1.000 in. Coil Bind Height, Each
Part Number: RSC-PAC-1204X
Not Yet Reviewed
Estimated Ship Date: Apr 9, 2026 if ordered today
Estimated Ship Date: Apr 9, 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: Apr 9, 2026 if ordered today
Estimated Ship Date: Apr 9, 2026 if ordered today
VLAVE SPRING EACH
Part Number: RSC-PAC-1282X
Not Yet Reviewed
Estimated Ship Date: Apr 9, 2026 if ordered today
Estimated Ship Date: Apr 9, 2026 if ordered today
Valve Spring, 1300 Series, Dual, 1.500 in. Outside Diameter, 467 lb/in., 0.790 in Inside Diameter, Each
Part Number: RSC-PAC-1340
Not Yet Reviewed
Estimated Ship Date: Apr 9, 2026 if ordered today
Estimated Ship Date: Apr 9, 2026 if ordered today
Valve Spring, 1300 Series, Dual, 1.570 in. Outside Diameter, 743 lb/in., 0.780 in Inside Diameter, Each
Part Number: RSC-PAC-1344
Not Yet Reviewed
Estimated Ship Date: Apr 9, 2026 if ordered today
Estimated Ship Date: Apr 9, 2026 if ordered today
VALVE SPRING
Part Number: RSC-PAC-1364M
Not Yet Reviewed
Estimated Ship Date: Apr 9, 2026 if ordered today
Estimated Ship Date: Apr 9, 2026 if ordered today
Valve Springs, 1400 Series, Single, 1.330 in. Outside Diameter, 526 lb/in., 0.930 in Inside Diameter, Each
Part Number: RSC-PAC-1422
Not Yet Reviewed
Estimated Ship Date: Apr 9, 2026 if ordered today
Estimated Ship Date: Apr 9, 2026 if ordered today
Valve Spring, Dual, 1.550 in. Outside Diameter, 521 lbs./in. Rate, 1.190 in. Coil Bind Height, Each
Part Number: HRS-98637-1
Not Yet Reviewed
Estimated Ship Date: Apr 7, 2026 if ordered today
Estimated Ship Date: Apr 7, 2026 if ordered today
Valve Spring, Dual, 1.550 in. Outside Diameter, 508 lbs./in. Rate, 1.080 in. Coil Bind Height, Each
Part Number: HRS-98644-1
Not Yet Reviewed
Estimated Ship Date: Apr 7, 2026 if ordered today
Estimated Ship Date: Apr 7, 2026 if ordered today
Valve Spring, Dual, 1.625 in. Outside Diameter, 645 lbs./in. Rate, 1.070 in. Coil Bind Height, Each
Part Number: HRS-98738-1A
Not Yet Reviewed
Estimated Ship Date: Apr 7, 2026 if ordered today
Estimated Ship Date: Apr 7, 2026 if ordered today
Valve Springs, Dual, 1.640 in. Outside Diameter, 645 lbs./in. Rate, 1.070 in. Coil Bind Height, Polished, Each
Part Number: HRS-98739-1
Not Yet Reviewed
Estimated Ship Date: Apr 7, 2026 if ordered today
Estimated Ship Date: Apr 7, 2026 if ordered today
Valve Spring, Dual, 1.625 in. Outside Diameter, 593 lbs./in. Rate, 1.150 in. Coil Bind Height, Each
Part Number: HRS-98745-1
Not Yet Reviewed
Estimated Ship Date: Apr 7, 2026 if ordered today
Estimated Ship Date: Apr 7, 2026 if ordered today
Valve Spring, Dual, 1.625 in. Outside Diameter, 570 lbs./in. Rate, 1.100 in. Coil Bind Height, Each
Part Number: HRS-98751-1
Not Yet Reviewed
Estimated Ship Date: Apr 7, 2026 if ordered today
Estimated Ship Date: Apr 7, 2026 if ordered today
Truck / SUV
Jeep®
Restoration
Stock Replacement
Late Model Muscle
Tools
Gifts, Clothing, & More
Circle Track
Street Rod
Powersports
Paint & Body
Marine
Jr Dragster