Availability
Valve Spring, Inverted Conical, Single, 1.450 in. O.D., 457 lbs./in. Rate, 1.320 in. Coil Bind Height, Each
Part Number: HRS-98117-1
Not Yet Reviewed
Estimated Ship Date: Oct 28, 2025 if ordered today
Estimated Ship Date: Oct 28, 2025 if ordered today
Valve Springs, Valve Spring, Dual, 1.304 OD, .680 ID
Part Number: HRS-98122
Not Yet Reviewed
Estimated Ship Date: Oct 28, 2025 if ordered today
Estimated Ship Date: Oct 28, 2025 if ordered today
Valve Spring, Single, 1.265 in. Outside Diameter, 425 lbs./in. Rate, 1.150 in. Coil Bind Height, Each
Part Number: HRS-98212-1
Not Yet Reviewed
Estimated Ship Date: Oct 28, 2025 if ordered today
Estimated Ship Date: Oct 28, 2025 if ordered today
Camshaft Retainer Plat, Chev LS III/IV Champer Holes
Part Number: HRS-94555
Not Yet Reviewed
Estimated Ship Date: Oct 28, 2025 if ordered today
Estimated Ship Date: Oct 28, 2025 if ordered today
Camshaft Retainer Plat, Ford SB 69-86
Part Number: HRS-94556
Not Yet Reviewed
Estimated Ship Date: Oct 28, 2025 if ordered today
Estimated Ship Date: Oct 28, 2025 if ordered today
Camshaft Retainer Plat, Pontiac 301-400-455
Part Number: HRS-94559
Not Yet Reviewed
Estimated Ship Date: Oct 28, 2025 if ordered today
Estimated Ship Date: Oct 28, 2025 if ordered today
Guide Plate, Chev SB, 5/16", Flat, Each
Part Number: HRS-94600-1
Not Yet Reviewed
Estimated Ship Date: Oct 28, 2025 if ordered today
Estimated Ship Date: Oct 28, 2025 if ordered today
Guideplate, Raised, 5/16 in. Pushrod Size, Ford Big Block, Set of 8
Part Number: HRS-94625
Not Yet Reviewed
Estimated Ship Date: Oct 28, 2025 if ordered today
Estimated Ship Date: Oct 28, 2025 if ordered today
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Rocker Arm Studs, High Performance, 3/8-24 in. Thread, 1.75 in. Effective Stud Length, Chevy, Small Block,
Part Number: HRS-94650
Not Yet Reviewed
Estimated Ship Date: Oct 28, 2025 if ordered today
Estimated Ship Date: Oct 28, 2025 if ordered today
Stud, Chev SB, 7/16"
Part Number: HRS-94656-1
Not Yet Reviewed
Estimated Ship Date: Oct 28, 2025 if ordered today
Estimated Ship Date: Oct 28, 2025 if ordered today
Stud, Chev BB
Part Number: HRS-94657-1
Not Yet Reviewed
Estimated Ship Date: Oct 28, 2025 if ordered today
Estimated Ship Date: Oct 28, 2025 if ordered today
Timing Set, Chev SB 265-400, Iwis Severe Duty Chain
Part Number: HRS-94700
Not Yet Reviewed
Estimated Ship Date: Oct 28, 2025 if ordered today
Estimated Ship Date: Oct 28, 2025 if ordered today
Timing Belt Drive, GM LS Dart Block Only
Part Number: HRS-949-09
Not Yet Reviewed
Estimated Ship Date: Oct 28, 2025 if ordered today
Estimated Ship Date: Oct 28, 2025 if ordered today
Camshaft and Lifter Kits, Hydraulic Roller, 3,400-6,800 RPM Range, 249/255, 110 Lobe Separation, 106 Intake Centerline, Chevrolet, Mark IV, Kit
Part Number: HRS-CL120345-10
Not Yet Reviewed
Estimated Ship Date: Oct 28, 2025 if ordered today
Estimated Ship Date: Oct 28, 2025 if ordered today
Rev Kit Replacement Parts, Each
Part Number: HRS-MRRKB2
Not Yet Reviewed
Estimated Ship Date: Oct 28, 2025 if ordered today
Estimated Ship Date: Oct 28, 2025 if ordered today
Valve Springs, Dual, Mechanical Roller, 1.557 in. OD, 471 lb/in. Rate, 1.150 in. Coil Bind Height, Damper, Each
Part Number: HRS-98655-1
Estimated Ship Date: Oct 28, 2025 if ordered today
Estimated Ship Date: Oct 28, 2025 if ordered today
Valve Springs, Dual, 1.514 in. Outside Diameter, 348 lbs./in. Rate, 1.150 in. Coil Bind Height, Set of 16
Part Number: HRS-98656
Not Yet Reviewed
Estimated Ship Date: Oct 28, 2025 if ordered today
Estimated Ship Date: Oct 28, 2025 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: Oct 28, 2025 if ordered today
Estimated Ship Date: Oct 28, 2025 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: Oct 28, 2025 if ordered today
Estimated Ship Date: Oct 28, 2025 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: Oct 28, 2025 if ordered today
Estimated Ship Date: Oct 28, 2025 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: Oct 28, 2025 if ordered today
Estimated Ship Date: Oct 28, 2025 if ordered today
Valve Springs, Valve Spring, Dual, 1.550 OD
Part Number: HRS-98815
Not Yet Reviewed
Estimated Ship Date: Oct 28, 2025 if ordered today
Estimated Ship Date: Oct 28, 2025 if ordered today
Valve Spring, Dual, 1.550 OD, Each
Part Number: HRS-98816-1
Not Yet Reviewed
Estimated Ship Date: Oct 28, 2025 if ordered today
Estimated Ship Date: Oct 28, 2025 if ordered today
Valve Spring, Dual, 1.550 OD
Part Number: HRS-98825-1
Not Yet Reviewed
Estimated Ship Date: Oct 28, 2025 if ordered today
Estimated Ship Date: Oct 28, 2025 if ordered today
SPRINGS
Part Number: HRS-98828
Not Yet Reviewed
Estimated Ship Date: Oct 28, 2025 if ordered today
Estimated Ship Date: Oct 28, 2025 if ordered today
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