Availability
Rocker Arm Nuts, Polylock, Full Roller, 7/16 in.-20 Thread, 0.600 in. Shank Diameter, 1.190 in. Length, Each
Part Number: HRS-90036
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Lifters, Pro Max, Mechanical Roller, Pro Max Direct Lube, Vertical Bar, Chevy, Big Block, Offset, Set of 16
Part Number: HRS-91199
Not Yet Reviewed
Estimated Ship Date: Feb 16, 2026 if ordered today
Estimated Ship Date: Feb 16, 2026 if ordered today
Lifters, Hydraulic Roller, Street Series, Vertical Bar, Chrysler, Small Block, Pair
Part Number: HRS-91764-2
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Rocker Arm Nuts, Polylock, Stud Girdle Replacement, Full Roller, 3/8 in.-24 Thread, 0.550 in. Shank Diameter, 2.00 Length, Each
Part Number: HRS-90125-1
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Springs, Single, 1.510 in. Outside Diameter, 350 lbs./in. Rate, 1.110 in. Coil Bind Height, Set of 16
Part Number: HRS-98515
Estimated Ship Date: Feb 16, 2026 if ordered today
Estimated Ship Date: Feb 16, 2026 if ordered today
Lifters, Mechanical Flat Tappet, Chevy, Big, Small Block, Set of 16
Part Number: HRS-91115
Estimated Ship Date: Today
Estimated Ship Date: Today
Lifter, Hydraulic Flat Tappet, Ford, Small Block, Big Block, Each
Part Number: HRS-91211-1
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
VALVE SPRINGS
Part Number: HRS-98445-K32
Not Yet Reviewed
Estimated Ship Date: Feb 16, 2026 if ordered today
Estimated Ship Date: Feb 16, 2026 if ordered today
Pushrods, Chromoly, 5/16 in. Diameter, 7.850 in. Length, Universal, Set of 16
Part Number: HRS-95011
Not Yet Reviewed
Estimated Ship Date: Feb 20, 2026 if ordered today
Estimated Ship Date: Feb 20, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Pushrods, Chromoly, 3/8 in. Diameter, 8.650 in. Long, Universal, Set of 8
Part Number: HRS-95128
Not Yet Reviewed
Estimated Ship Date: Feb 19, 2026 if ordered today
Estimated Ship Date: Feb 19, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Bushings, Cam Advance/Retard, 0, 2, 4, 6, 8 Degree, Chevy, Small, Big Block, Set of 5
Part Number: HRS-94505
Estimated Ship Date: Today
Estimated Ship Date: Today
Lifters, Street Series, Retrofit, Hydraulic Roller, Vertical Link Bars, Cadillac, 425, 472, 500, Set of 8
Part Number: HRS-91462
Not Yet Reviewed
Estimated Ship Date: Feb 16, 2026 if ordered today
Estimated Ship Date: Feb 16, 2026 if ordered today
Valve Spring Shim, Steel, Hardened, 1.437 in. Outside Diameter, .015 in. Thick, Set of 16
Part Number: HRS-96215-15
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Camshaft, Hydraulic Flat Tappet, Advertised Duration 257/263, Lift .443/.448, AMC, 199, 232, 258, Each
Part Number: HRS-330111-10
Not Yet Reviewed
Estimated Ship Date: Feb 16, 2026 if ordered today
Estimated Ship Date: Feb 16, 2026 if ordered today
Piston Rings, Plasma-Moly, 4.155 in. Bore, 1/16 in., 1/16 in., 1/8 in. Thickness, 8-Cylinder, Set
Part Number: HRS-HRC487041555
Not Yet Reviewed
Estimated Ship Date: Feb 16, 2026 if ordered today
Estimated Ship Date: Feb 16, 2026 if ordered today
Valve Springs, Dual, 1.385 in. Outside Diameter, 263 lbs./in. Rate, 0.910 in. Coil Bind Height, Set of 16
Part Number: HRS-98341
Not Yet Reviewed
Estimated Ship Date: Feb 16, 2026 if ordered today
Estimated Ship Date: Feb 16, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Lifter, OE Style, Hydraulic Roller, Chevy, LS, Each
Part Number: HRS-91174-1
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Locks, Forged Steel, 10 Degree, 1-Groove, 3/8 in. Valve Stem, Set of 32
Part Number: HRS-93018
Estimated Ship Date: Today
Estimated Ship Date: Today
Camshaft, Hydraulic Flat Tappet, Advertised Duration 289/297, Lift .488/.507, Chevy, Small Block, Each
Part Number: HRS-110051-08
Not Yet Reviewed
Estimated Ship Date: Feb 17, 2026 if ordered today
Estimated Ship Date: Feb 17, 2026 if ordered today
Valve, Intake, Stainless Steel, 2.080 in. Diameter, .341 in. Stem, 5.000 in. Length, Chevy, Each
Part Number: HRS-20811N
Not Yet Reviewed
Estimated Ship Date: Feb 16, 2026 if ordered today
Estimated Ship Date: Feb 16, 2026 if ordered today
Pistons, SB Chev, DM, 4.155"
Part Number: HRS-841512608R
Not Yet Reviewed
Estimated Ship Date: Feb 16, 2026 if ordered today
Estimated Ship Date: Feb 16, 2026 if ordered today
Valve Spring Locators, Inside, Steel, .060 in. Thick, 1.550 in. O.D., .570 in. I.D., Set of 16
Part Number: HRS-96033
Not Yet Reviewed
Estimated Ship Date: Feb 16, 2026 if ordered today
Estimated Ship Date: Feb 16, 2026 if ordered today
Rocker Arm Studs, High Performance, 7/16-14 in. Thread, 1.910 in. Effective Stud Length, BBC, Set of 16
Part Number: HRS-94655
Estimated Ship Date: Today
Estimated Ship Date: Today
Camshaft, Hydraulic Flat Tappet, Rattler, Advertised Duration 281/289, Lift .501/.501 Buick, V8, Each
Part Number: HRS-558021-09
Not Yet Reviewed
Estimated Ship Date: Feb 16, 2026 if ordered today
Estimated Ship Date: Feb 16, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Main Cap, Billet Steel, 3-Center, Straight Outer Bolts, 4-Bolt, Chevy, Small Block, Each
Part Number: HRS-H350R-1
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Modal Header
Call To Order
This is a custom order part. You can order this part by Contacting Us.