Availability
VALVE SPRING
Part Number: HRS-98221
Not Yet Reviewed
Estimated Ship Date: Oct 30, 2025 if ordered today
Estimated Ship Date: Oct 30, 2025 if ordered today
Valve Spring, Single w/Damp, Nitrided
Part Number: HRS-98221-1
Not Yet Reviewed
Estimated Ship Date: Oct 30, 2025 if ordered today
Estimated Ship Date: Oct 30, 2025 if ordered today
Valve Spring, Pacaloy Mechanical Roller, Dual, 1.260 in. O.D., 0.624 in. I.D., 610 lbs/in., 0.550 in. Maximum Lift, 1.115 in. Coil Bind, Set of 16
Part Number: HRS-98223
Not Yet Reviewed
Estimated Ship Date: Oct 30, 2025 if ordered today
Estimated Ship Date: Oct 30, 2025 if ordered today
Valve Spring, Pacaloy Mechanical Roller, Dual, 1.260 in. O.D., 0.624 in. I.D., 610 lbs/in., 0.550 in. Maximum Lift, 1.115 in. Coil Bind, Each
Part Number: HRS-98223-1
Not Yet Reviewed
Estimated Ship Date: Oct 30, 2025 if ordered today
Estimated Ship Date: Oct 30, 2025 if ordered today
Valve Springs, Valve Spring, Dual, 1.300
Part Number: HRS-98335
Not Yet Reviewed
Estimated Ship Date: Oct 30, 2025 if ordered today
Estimated Ship Date: Oct 30, 2025 if ordered today
Valve Spring, Dual, 1.385 in. Outside Diameter, 263 lbs./in. Rate, 0.910 in. Coil Bind Height, Each
Part Number: HRS-98341-1
Not Yet Reviewed
Estimated Ship Date: Oct 30, 2025 if ordered today
Estimated Ship Date: Oct 30, 2025 if ordered today
Valve Spring, Dual
Part Number: HRS-98374-1
Not Yet Reviewed
Estimated Ship Date: Oct 30, 2025 if ordered today
Estimated Ship Date: Oct 30, 2025 if ordered today
Valve Spring, Single, 1.437 in. O.D., 1.080 in. I.D. 210 lbs./in. Rate, 1.050 in. Coil Bind Height, Each
Part Number: HRS-98411-1
Not Yet Reviewed
Estimated Ship Date: Oct 30, 2025 if ordered today
Estimated Ship Date: Oct 30, 2025 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: Oct 30, 2025 if ordered today
Estimated Ship Date: Oct 30, 2025 if ordered 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: Oct 30, 2025 if ordered today
Estimated Ship Date: Oct 30, 2025 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: Oct 30, 2025 if ordered today
Estimated Ship Date: Oct 30, 2025 if ordered today
Button, SB Chev
Part Number: HRS-HRRKB-OE
Not Yet Reviewed
Estimated Ship Date: Oct 30, 2025 if ordered today
Estimated Ship Date: Oct 30, 2025 if ordered today
Cam and Lifters, Hydraulic Flat Tappet, Advertised Duration 285/285, Lift .480/.480, Chevy, Small Block, Kit
Part Number: HRS-MC11203108DL
Not Yet Reviewed
Estimated Ship Date: Oct 30, 2025 if ordered today
Estimated Ship Date: Oct 30, 2025 if ordered today
Rev Kit Replacement Parts, Each
Part Number: HRS-MRRKB1
Not Yet Reviewed
Estimated Ship Date: Oct 30, 2025 if ordered today
Estimated Ship Date: Oct 30, 2025 if ordered today
Rev Kit Replacement Parts, Each
Part Number: HRS-MRRKB2
Not Yet Reviewed
Estimated Ship Date: Oct 30, 2025 if ordered today
Estimated Ship Date: Oct 30, 2025 if ordered today
Camshaft, American Muscle, Hydraulic Flat Tappet, Advertised Duration 288/302, Lift .408/.408, Pontiac, V8
Part Number: HRS-417591-15
Not Yet Reviewed
Estimated Ship Date: Oct 30, 2025 if ordered today
Estimated Ship Date: Oct 30, 2025 if ordered today
Camshaft, Hydraulic Roller Tappet, Rattler, Advertised Duration 280/288, Lift .525/.530, Pontiac, V8, Each
Part Number: HRS-418005-09
Not Yet Reviewed
Estimated Ship Date: Oct 30, 2025 if ordered today
Estimated Ship Date: Oct 30, 2025 if ordered today
Camshaft, Hydraulic Roller Tappet, Rattler, Advertised Duration 288/296, Lift .530/.530, Pontiac, V8, Each
Part Number: HRS-418045-09
Not Yet Reviewed
Estimated Ship Date: Oct 30, 2025 if ordered today
Estimated Ship Date: Oct 30, 2025 if ordered today
Camshaft, Hydraulic Flat Tappet, Advertised Duration 289/299, Lift .520/.544, Oldsmobile, V8, Each
Part Number: HRS-510041-12
Not Yet Reviewed
Estimated Ship Date: Oct 30, 2025 if ordered today
Estimated Ship Date: Oct 30, 2025 if ordered today
Camshaft, Hydraulic Flat Tappet, Advertised Duration 267/267, Lift .480/.480, Oldsmobile, V8, Each
Part Number: HRS-510931-11
Not Yet Reviewed
Estimated Ship Date: Oct 30, 2025 if ordered today
Estimated Ship Date: Oct 30, 2025 if ordered today
Camshaft, Hydraulic Flat Tappet, Advertised Duration 281/287, Lift .512/.512, Oldsmobile, V8, Each
Part Number: HRS-511431-10
Not Yet Reviewed
Estimated Ship Date: Oct 30, 2025 if ordered today
Estimated Ship Date: Oct 30, 2025 if ordered today
Camshaft, 4/7 Swap, Hydraulic Roller Tappet, Advertised Duration 286/286, Lift .549/.549, Oldsmobile, V8, Each
Part Number: HRS-514155-10
Not Yet Reviewed
Estimated Ship Date: Oct 30, 2025 if ordered today
Estimated Ship Date: Oct 30, 2025 if ordered today
Camshaft, American Muscle, Hydraulic Flat Tappet, Advertised Duration 272/294, Lift .413/.414, Oldsmobile, V8, Each
Part Number: HRS-517441-10
Not Yet Reviewed
Estimated Ship Date: Oct 30, 2025 if ordered today
Estimated Ship Date: Oct 30, 2025 if ordered today
Camshaft, Hydraulic Flat Tappet, Advertised Duration 250/264, Lift .400/.402, Oldsmobile, V8, Each
Part Number: HRS-517771-09
Not Yet Reviewed
Estimated Ship Date: Oct 30, 2025 if ordered today
Estimated Ship Date: Oct 30, 2025 if ordered today
Cam, Chev SB, Hyd Roller
Part Number: HRS-186685-14
Not Yet Reviewed
Estimated Ship Date: Oct 30, 2025 if ordered today
Estimated Ship Date: Oct 30, 2025 if ordered today
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