Availability
Valve Spring and Retainer Kits, Performance, Dual, Conical, 1.465 in. O.D., 425 lbs./in., 0.950 in. Coil Bind Height, 10 degree Locks, Kit
Part Number: HRS-98438-K12
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Springs, Dual, 1.437 in. Outside Diameter, 300 lbs./in. Rate, 1.062 in. Coil Bind Height, Set of 16
Part Number: HRS-98432
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Spring and Retainer Kits, Performance, Dual, Conical, 1.470 in. O.D., 399 lbs./in., 1.080 in. Coil Bind Height, 10 degree Locks, Kit
Part Number: HRS-98445-K12
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Spring and Retainer Kits, Performance, Single, Conical, 1.445 in. O.D., 350 lbs./in., 1.125 in. Coil Bind Height, 7 Degree Locks, Retainers, Kit
Part Number: HRS-98412-K11
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Spring, Dual, 1.470 in. Outside Diameter, 399 lbs./in. Rate, 1.080 in. Coil Bind Height, Set of 16
Part Number: HRS-98445
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Spring, Dual, 1.465 in. Outside Diameter, 420 lbs./in. Rate, 0.950 in. Coil Bind Height, Set of 16
Part Number: HRS-98438
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Springs, Dual, 1.437 in. Outside Diameter, 380 lbs./in. Rate, 1.250 in. Coil Bind Height, Set of 16
Part Number: HRS-98431
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Spring, Single, 1.437 in. O.D., 1.080 in. I.D. 210 lbs./in. Rate, 1.050 in. Coil Bind Height, Set of 16
Part Number: HRS-98411
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Spring, Dual, 1.437 in. Outside Diameter, 375 lbs./in. Rate, 1.050 in. Coil Bind Height, Set of 16
Part Number: HRS-98441
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Springs, Single, 1.445 in. Outside Diameter, 347 lbs./in. Rate, 1.125 in. Coil Bind Height, Set of 16
Part Number: HRS-98412
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Spring, Dual, 1.437 in. Outside Diameter, 283 lbs./in. Rate, 1.025 in. Coil Bind Height, Set of 16
Part Number: HRS-98442
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Spring, Dual, 1.440 in. Outside Diameter, 286 lbs./in. Rate, 1.150 in. Coil Bind Height, Set of 16
Part Number: HRS-98443
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Springs, Dual, Hydraulic Flat Tappet, 1.435 in. O.D., 1.120 in. Coil Bind Height, .530 Max Lift, Set of 16
Part Number: HRS-98436
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Spring, Dual, 1.470 in. Outside Diameter, 399 lbs./in. Rate, 1.080 in. Coil Bind Height, Each
Part Number: HRS-98445-1
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Spring, Dual, 1.465 in. Outside Diameter, 420 lbs./in. Rate, 0.950 in. Coil Bind Height, Each
Part Number: HRS-98438-1
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Spring, Dual, 1.437 in. Outside Diameter, 380 lbs./in. Rate, 1.250 in. Coil Bind Height, Each
Part Number: HRS-98431-1
Not Yet Reviewed
Estimated Ship Date: May 29, 2026 if ordered today
Estimated Ship Date: May 29, 2026 if ordered today
Valve Spring, Dual, 1.445 in. Outside Diameter, 347 lbs./in. Rate, 1.125 in. Coil Bind Height, Each
Part Number: HRS-98412-1
Not Yet Reviewed
Estimated Ship Date: May 29, 2026 if ordered today
Estimated Ship Date: May 29, 2026 if ordered today
Valve Springs, Dual, Mechanical Flat Tappet, 1.435 in. O.D., 455 lbs/in, 1.055 in. Coil Bind Height, Set of 16
Part Number: HRS-98437
Not Yet Reviewed
Estimated Ship Date: May 29, 2026 if ordered today
Estimated Ship Date: May 29, 2026 if ordered today
Valve Spring, Dual, 1.437 in. Outside Diameter, 283 lbs./in. Rate, 1.025 in. Coil Bind Height, Each
Part Number: HRS-98442-1
Not Yet Reviewed
Estimated Ship Date: May 29, 2026 if ordered today
Estimated Ship Date: May 29, 2026 if ordered today
Valve Spring, Dual, 1.437 in. Outside Diameter, 375 lbs./in. Rate, 1.050 in. Coil Bind Height, Each
Part Number: HRS-98441-1
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Spring, Dual, 1.440 in. Outside Diameter, 286 lbs./in. Rate, 1.150 in. Coil Bind Height, Each
Part Number: HRS-98443-1
Not Yet Reviewed
Estimated Ship Date: May 29, 2026 if ordered today
Estimated Ship Date: May 29, 2026 if ordered today
Valve Springs, Dual, Hydraulic Flat Tappet, 1.435 in. O.D., 251 lbs./in, 1.055 in. Coil Bind Height, Each
Part Number: HRS-98436-1
Not Yet Reviewed
Estimated Ship Date: May 29, 2026 if ordered today
Estimated Ship Date: May 29, 2026 if ordered today
INSTALLATION KIT
Part Number: HRS-98437-K12
Not Yet Reviewed
Estimated Ship Date: May 29, 2026 if ordered today
Estimated Ship Date: May 29, 2026 if ordered today
Valve Springs, Dual, 1.437 in. Outside Diameter, 283 lbs./in. Rate, 1.025 in. Coil Bind Height, Single
Part Number: HRS-98447-1
Not Yet Reviewed
Estimated Ship Date: May 29, 2026 if ordered today
Estimated Ship Date: May 29, 2026 if ordered today
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