Availability
Pistons, ProMax 2618 Race Pistons, Forged, Flat Top, 4.165 in. Bore, Chevy Small Block, Set of 8
Part Number: HRS-841612306
Not Yet Reviewed
Estimated Ship Date: Jan 14, 2026 if ordered today
Estimated Ship Date: Jan 14, 2026 if ordered today
Lifters, Track Max Series, Mechanical Roller, +0.300 in. Height, Horizontal Bar, Chevy, Big Block, Set of 16
Part Number: HRS-91126
Not Yet Reviewed
Estimated Ship Date: Jan 14, 2026 if ordered today
Estimated Ship Date: Jan 14, 2026 if ordered today
Rocker Arms, Pedestal, Full Roller, 1.8 Ratio, Aluminum, Chevy, LS3 and L92, Set of 16
Part Number: HRS-90096
Not Yet Reviewed
Estimated Ship Date: Jan 14, 2026 if ordered today
Estimated Ship Date: Jan 14, 2026 if ordered today
Rocker Arm, Direct Bolt-On, Full Roller, 1.8 Ratio, Aluminum, Purple, Chevy, LS1, LS2, LS6, Set of 16
Part Number: HRS-90098
Not Yet Reviewed
Estimated Ship Date: Jan 14, 2026 if ordered today
Estimated Ship Date: Jan 14, 2026 if ordered today
Pistons, ProMax 2618 Race Pistons, Forged, Flat, 4.030 in. Bore, Chevy Small Block, Set of 8
Part Number: HRS-840355305
Not Yet Reviewed
Estimated Ship Date: Monday 11/24/2025
Estimated Ship Date: Monday 11/24/2025
Connecting Rod, 4340 Steel, H-Beam, Natural, 6.125 in., Chevy, LS, Set of 8
Part Number: HRS-TS6125LS
Not Yet Reviewed
Estimated Ship Date: Monday 11/24/2025
Estimated Ship Date: Monday 11/24/2025
Valve Springs, Valve Spring, Dual, 1.300
Part Number: HRS-98335
Not Yet Reviewed
Estimated Ship Date: Jan 14, 2026 if ordered today
Estimated Ship Date: Jan 14, 2026 if ordered today
Valve Springs, Valve Spring, Dual, 1.550 OD
Part Number: HRS-98815
Not Yet Reviewed
Estimated Ship Date: Jan 14, 2026 if ordered today
Estimated Ship Date: Jan 14, 2026 if ordered today
VALVE SPRINGS
Part Number: HRS-98843
Not Yet Reviewed
Estimated Ship Date: Jan 14, 2026 if ordered today
Estimated Ship Date: Jan 14, 2026 if ordered today
Valve Springs, Valve Spring, Triple, 1.645 OD, .635 ID
Part Number: HRS-98846
Not Yet Reviewed
Estimated Ship Date: Jan 14, 2026 if ordered today
Estimated Ship Date: Jan 14, 2026 if ordered today
Valve Springs, Valve Spring, Triple, 1.645 OD, .635 ID
Part Number: HRS-98847
Not Yet Reviewed
Estimated Ship Date: Jan 14, 2026 if ordered today
Estimated Ship Date: Jan 14, 2026 if ordered today
Valve Spring, Triple, 1.681 OD
Part Number: HRS-98893
Not Yet Reviewed
Estimated Ship Date: Jan 14, 2026 if ordered today
Estimated Ship Date: Jan 14, 2026 if ordered today
Pistons, ProMax Race, Forged, Flat, 4.030 in. Bore, Chevy, Set of 8
Part Number: HRS-840322305
Not Yet Reviewed
Estimated Ship Date: Jan 14, 2026 if ordered today
Estimated Ship Date: Jan 14, 2026 if ordered today
Pistons, SB Chev, 4 VR, 4.030"
Part Number: HRS-840342405
Not Yet Reviewed
Estimated Ship Date: Jan 14, 2026 if ordered today
Estimated Ship Date: Jan 14, 2026 if ordered today
Pistons, ProMax 2618 Race Pistons, Forged, Flat Top, 4.030 in. Bore, Chevy LS, Set of 8
Part Number: HRS-830311304
Not Yet Reviewed
Estimated Ship Date: Jan 14, 2026 if ordered today
Estimated Ship Date: Jan 14, 2026 if ordered today
Pistons, ProMax 2618 Race Pistons, Forged, Dish, 4.125 in. Bore, Chevy LS, Set of 8
Part Number: HRS-831211112
Not Yet Reviewed
Estimated Ship Date: Jan 14, 2026 if ordered today
Estimated Ship Date: Jan 14, 2026 if ordered today
Pistons, ProMax 2618 Race Pistons, Forged, Flat Top, 4.005 in. Bore, Chevy LS, Set of 8
Part Number: HRS-839011304
Not Yet Reviewed
Estimated Ship Date: Jan 14, 2026 if ordered today
Estimated Ship Date: Jan 14, 2026 if ordered today
Pistons, ProMax 2618 Race Pistons, Forged, Flat Top, 3.905 in. Bore, Chevy LS, Set of 8
Part Number: HRS-839511304
Not Yet Reviewed
Estimated Ship Date: Jan 14, 2026 if ordered today
Estimated Ship Date: Jan 14, 2026 if ordered today
Pistons, ProMax 2618 Race Pistons, Forged, Flat Top, 4.030 in. Bore, Chevy Small Block, Set of 8
Part Number: HRS-840356405
Not Yet Reviewed
Estimated Ship Date: Jan 14, 2026 if ordered today
Estimated Ship Date: Jan 14, 2026 if ordered today
Pistons, SB Chev, FT, 4.040"
Part Number: HRS-840406305
Not Yet Reviewed
Estimated Ship Date: Jan 14, 2026 if ordered today
Estimated Ship Date: Jan 14, 2026 if ordered today
DUAL VALVE SPRING
Part Number: HRS-98037
Not Yet Reviewed
Estimated Ship Date: Jan 14, 2026 if ordered today
Estimated Ship Date: Jan 14, 2026 if ordered today
Valve Springs, Valve Spring, Dual, 1.304 OD, .680 ID
Part Number: HRS-98122
Not Yet Reviewed
Estimated Ship Date: Jan 14, 2026 if ordered today
Estimated Ship Date: Jan 14, 2026 if ordered today
Connecting Rod, Forged 4340 Steel, I-Beam, Cap Screw, Floating, 6.000 in., for Nissan, Set of 6
Part Number: HRS-BR6001RB30
Not Yet Reviewed
Estimated Ship Date: Jan 14, 2026 if ordered today
Estimated Ship Date: Jan 14, 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 14, 2026 if ordered today
Estimated Ship Date: Jan 14, 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 14, 2026 if ordered today
Estimated Ship Date: Jan 14, 2026 if ordered today
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