Availability
Valve Springs, Valve Spring, Dual, 1.300
Part Number: HRS-98335
Not Yet Reviewed
Estimated Ship Date: Jan 5, 2026 if ordered today
Estimated Ship Date: Jan 5, 2026 if ordered today
Guideplate, Flat, 5/16 in. Pushrod Size, Ford Small Block, Set of 8
Part Number: HRS-94620
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Estimated Ship Date: Jan 5, 2026 if ordered today
Estimated Ship Date: Jan 5, 2026 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: Jan 5, 2026 if ordered today
Estimated Ship Date: Jan 5, 2026 if ordered today
Pistons, ProMax 2618 Race Pistons, Forged, Flat Top, 4.040 in. Bore, Chevy Small Block, Set of 8
Part Number: HRS-840455305
Not Yet Reviewed
Estimated Ship Date: Jan 5, 2026 if ordered today
Estimated Ship Date: Jan 5, 2026 if ordered today
Pistons, ProMax 2618 Race Pistons, Forged, Dish, 4.030 in. Bore, Ford, 351W, Set of 8
Part Number: HRS-860323128
Not Yet Reviewed
Estimated Ship Date: Jan 5, 2026 if ordered today
Estimated Ship Date: Jan 5, 2026 if ordered today
Pistons, Ford SB, Inv DM, 4.030", Each
Part Number: HRS-860323128-1
Not Yet Reviewed
Estimated Ship Date: Jan 5, 2026 if ordered today
Estimated Ship Date: Jan 5, 2026 if ordered today
Pistons, Ford SB, DM, 4.030", Each
Part Number: HRS-860323601-1
Not Yet Reviewed
Estimated Ship Date: Jan 5, 2026 if ordered today
Estimated Ship Date: Jan 5, 2026 if ordered today
Pistons, ProMax Race, Forged, Flat, 4.040 in. Bore, Ford, Set of 8
Part Number: HRS-860410305
Not Yet Reviewed
Estimated Ship Date: Jan 5, 2026 if ordered today
Estimated Ship Date: Jan 5, 2026 if ordered today
Pistons, SB Ford, FT, 4.040"
Part Number: HRS-860410305-1
Not Yet Reviewed
Estimated Ship Date: Jan 5, 2026 if ordered today
Estimated Ship Date: Jan 5, 2026 if ordered today
Pistons, Forged, Dome, 4.040 in. Bore, Chevy, Set of 8
Part Number: HRS-840412608
Not Yet Reviewed
Estimated Ship Date: Jan 5, 2026 if ordered today
Estimated Ship Date: Jan 5, 2026 if ordered today
Pistons, SB Chev, FT, 4.040"
Part Number: HRS-840425305L
Not Yet Reviewed
Estimated Ship Date: Jan 5, 2026 if ordered today
Estimated Ship Date: Jan 5, 2026 if ordered today
Pistons, SB Chev, FT, 4.040"
Part Number: HRS-840425305R
Not Yet Reviewed
Estimated Ship Date: Jan 5, 2026 if ordered today
Estimated Ship Date: Jan 5, 2026 if ordered today
Pistons, SB Chev, DM, 4.040"
Part Number: HRS-840425613L
Not Yet Reviewed
Estimated Ship Date: Jan 5, 2026 if ordered today
Estimated Ship Date: Jan 5, 2026 if ordered today
Pistons, SB Chev, DM, 4.040"
Part Number: HRS-840425613R
Not Yet Reviewed
Estimated Ship Date: Jan 5, 2026 if ordered today
Estimated Ship Date: Jan 5, 2026 if ordered today
Valve Spring, Dual, 1.290 in. Outside Diameter, 340 lbs./in. Rate, 1.100 in. Coil Bind Height, Set of 16
Part Number: HRS-98116
Not Yet Reviewed
Estimated Ship Date: Jan 5, 2026 if ordered today
Estimated Ship Date: Jan 5, 2026 if ordered today
Valve Springs, Dual, 1.295 in. Outside Diameter, 407 lbs./in. Rate, 1.060 in. Coil Bind Height, Set of 16
Part Number: HRS-98118
Estimated Ship Date: Jan 5, 2026 if ordered today
Estimated Ship Date: Jan 5, 2026 if ordered today
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Crankshaft, Forged 4340 Steel, 4.250 in. Stroke, Chevy, 454, Internal/External Balance, 1-Piece Seal, Each
Part Number: HRS-H454256321T
Not Yet Reviewed
Estimated Ship Date: Jan 5, 2026 if ordered today
Estimated Ship Date: Jan 5, 2026 if ordered today
Connecting Rod, Forged 4340 Steel, I-Beam, Cap Screw, Floating, 5.900 in., Mitsubishi, Each
Part Number: HRS-BR5900MIT-1
Not Yet Reviewed
Estimated Ship Date: Jan 5, 2026 if ordered today
Estimated Ship Date: Jan 5, 2026 if ordered today
Connecting Rod, 4340 Steel, I-Beam, Cap Screw, Bushed, 6.200 in., Chevy, Small Block, Each
Part Number: HRS-BR6200-1
Not Yet Reviewed
Estimated Ship Date: Jan 5, 2026 if ordered today
Estimated Ship Date: Jan 5, 2026 if ordered today
Connecting Rod, 4340 Steel, I-Beam, Cap Screw, Bushed, 6.300 in., Chevy, Small Block, Each
Part Number: HRS-BR6300-1
Not Yet Reviewed
Estimated Ship Date: Jan 5, 2026 if ordered today
Estimated Ship Date: Jan 5, 2026 if ordered today
DUAL VALVE SPRING
Part Number: HRS-98037
Not Yet Reviewed
Estimated Ship Date: Jan 5, 2026 if ordered today
Estimated Ship Date: Jan 5, 2026 if ordered today
Lifters, Race Series, Hydraulic Roller, Pro Max High RPM, Vertical Bar, Chevy, Small Block, Set of 16
Part Number: HRS-91170
Not Yet Reviewed
Estimated Ship Date: Jan 5, 2026 if ordered today
Estimated Ship Date: Jan 5, 2026 if ordered today
Lifters, Race Series, Mechanical Roller, Pro Max High RPM, Vertical Bar, Chevy, Gen III Small Block, Set of 16
Part Number: HRS-91178
Not Yet Reviewed
Estimated Ship Date: Jan 5, 2026 if ordered today
Estimated Ship Date: Jan 5, 2026 if ordered today
Lifters, Race Series, Hydraulic Roller, Horizontal Bar, Chevy, Gen III Small Block, Buick Head, Set of 16
Part Number: HRS-91181
Not Yet Reviewed
Estimated Ship Date: Jan 5, 2026 if ordered today
Estimated Ship Date: Jan 5, 2026 if ordered today
Lifters, Pro Max, Mechanical Roller, Pro Max Direct Lube, Vertical Bar, Chevy, Small Block, Pair
Part Number: HRS-91188-2
Not Yet Reviewed
Estimated Ship Date: Jan 5, 2026 if ordered today
Estimated Ship Date: Jan 5, 2026 if ordered today
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