Availability
Lifters, Maximum Effort Retrofit, Hydraulic Roller, 0.903 in. Diameter, 2.606 in. Seat Height, AMC, Mopar, Pair
Part Number: HRS-91774-2
Lifters, Maximum Effort Retrofit Hydraulic Roller Lifters, 0.875 in. O.D., 2.606 in. Lifter Seat Height, Vertical Link Bar Type, Ford, Pair
Part Number: HRS-91261-2
Not Yet Reviewed
Lifters, Maximum Effort Retro Fit, Hydraulic Roller, Vertical Bar, Chevy, Big Block, Pair
Part Number: HRS-91161-2
Estimated Ship Date: Dec 30, 2025 if ordered today
Estimated Ship Date: Dec 30, 2025 if ordered today
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Valve Springs, Dual, 1.625 in. Outside Diameter, 645 lbs./in. Rate, 1.070 in. Coil Bind Height, Set of 16
Part Number: HRS-98738-A
Not Yet Reviewed
Estimated Ship Date: Dec 15, 2025 if ordered today
Estimated Ship Date: Dec 15, 2025 if ordered today
Lifters, Maximum Effort Retro Fit, Hydraulic Roller, Vertical Bar, Chevy, Small Block, Pair
Part Number: HRS-91160-2
Not Yet Reviewed
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Estimated Ship Date: Today
Cam and Lifters, Hydraulic Roller Tappet, Advertised Duration 266/274, Lift .485/.475, Pontiac, Kit
Part Number: HRS-CL414645-12
Not Yet Reviewed
Estimated Ship Date: Nov 24, 2025 if ordered today
Estimated Ship Date: Nov 24, 2025 if ordered today
Valve Springs, Triple, 1.660 in. Outside Diameter, 745 lbs./in. Rate, 1.145 in. Coil Bind Height, Set of 16
Part Number: HRS-98048
Not Yet Reviewed
Estimated Ship Date: Dec 15, 2025 if ordered today
Estimated Ship Date: Dec 15, 2025 if ordered today
Lifters, Maximum Effort, Hydraulic Roller, Chevy, 348, 409, Pair
Part Number: HRS-91360-2
Not Yet Reviewed
Estimated Ship Date: Dec 3, 2025 if ordered today
Estimated Ship Date: Dec 3, 2025 if ordered today
Lifters, Maximum Effort, Hydraulic Roller, Chevy, 348, 409, Set of 16
Part Number: HRS-91360
Not Yet Reviewed
Estimated Ship Date: Dec 15, 2025 if ordered today
Estimated Ship Date: Dec 15, 2025 if ordered today
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Not Yet Reviewed
Estimated Ship Date: Today
Cam and Lifters, Street Force 1, Hydraulic Flat Tappet, Advertised Duration 259/269, Lift .476/.516, Chevy, Big Block, Kit
Part Number: HRS-CL120021-12
Estimated Ship Date: Dec 1, 2025 if ordered today
Estimated Ship Date: Dec 1, 2025 if ordered today
Camshaft, Hydraulic Flat Tappet, Advertised Duration 259/269, Lift .448/.474 Buick, V8, Each
Part Number: HRS-550101-12
Estimated Ship Date: Nov 17, 2025 if ordered today
Estimated Ship Date: Nov 17, 2025 if ordered today
Pistons, ProMax 2618 Race Pistons, Forged, Dome, 4.030 in. Bore, Chevy Small Block, Set of 8
Part Number: HRS-840325613
Not Yet Reviewed
Estimated Ship Date: Dec 10, 2025 if ordered today
Estimated Ship Date: Dec 10, 2025 if ordered today
Cam and Lifters, Street Force 1, Hydraulic Flat Tappet, Advertised Duration 259/269, Lift .484/.514, Ford, 351C, 351M,400, Kit
Part Number: HRS-CL230011-12
Not Yet Reviewed
Estimated Ship Date: Dec 3, 2025 if ordered today
Estimated Ship Date: Dec 3, 2025 if ordered today
Main Cap, Billet Steel, Front, Straight Outer Bolts, 4-Bolt, Chevy, Big Block, Each
Part Number: HRS-H454-1
Not Yet Reviewed
Estimated Ship Date: Nov 17, 2025 if ordered today
Estimated Ship Date: Nov 17, 2025 if ordered today
Pistons, BB Chev, DM, 4.500"
Part Number: HRS-855027610
Not Yet Reviewed
Estimated Ship Date: Nov 17, 2025 if ordered today
Estimated Ship Date: Nov 17, 2025 if ordered today
Cam and Lifters, Street Force 1, Hydraulic Flat Tappet, Advertised Duration 259/267, Lift .448/.480, Ford, Small Block, Kit
Part Number: HRS-CL210021-12
Not Yet Reviewed
Estimated Ship Date: Nov 24, 2025 if ordered today
Estimated Ship Date: Nov 24, 2025 if ordered today
Camshaft, Street Force 1, Hydraulic Flat Tappet, Advertised Duration 259/269, Lift .420/.445, Ford, 144-250, Each
Part Number: HRS-280108-12
Not Yet Reviewed
Estimated Ship Date: Nov 24, 2025 if ordered today
Estimated Ship Date: Nov 24, 2025 if ordered today
Camshaft, Hydraulic Flat Tappet, Advertised Duration 257/263, Lift .443/.448, AMC, L6, Each
Part Number: HRS-320111-12
Not Yet Reviewed
Cam and Lifters, Street Force 1, Hydraulic Flat Tappet, Advertised Duration 259/267, Lift .448/.480, Ford, 351W, Kit
Part Number: HRS-CL220021-12
Not Yet Reviewed
Estimated Ship Date: Nov 17, 2025 if ordered today
Estimated Ship Date: Nov 17, 2025 if ordered today
Main Caps, Billet Steel, 3-Center, Splayed Outer Bolts, 4-Bolt, Chevy, Small Block, Set of 3
Part Number: HRS-H400
Not Yet Reviewed
Estimated Ship Date: Nov 17, 2025 if ordered today
Estimated Ship Date: Nov 17, 2025 if ordered today
Pistons, ProMax 2618 Race Pistons, Forged, Flat, Left Exhaust 4.060 in. Bore, Chevy Small Block, Each
Part Number: HRS-840612305L
Not Yet Reviewed
Estimated Ship Date: Dec 12, 2025 if ordered today
Estimated Ship Date: Dec 12, 2025 if ordered today
Camshaft, Street Force 1, Hydraulic Flat Tappet, Advertised Duration 259/269, Lift .420/.455, Chevy, Small Block, Each
Part Number: HRS-112561-12
Estimated Ship Date: Dec 30, 2025 if ordered today
Estimated Ship Date: Dec 30, 2025 if ordered today
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Camshaft, Street Force 1, Hydraulic Flat Tappet, Advertised Duration 259/269, Lift .490/.520, Ford, 352-428 FE, Each
Part Number: HRS-250011-12
Not Yet Reviewed
Estimated Ship Date: Dec 29, 2025 if ordered today
Estimated Ship Date: Dec 29, 2025 if ordered today
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Camshaft, Street Force 1, Hydraulic Flat Tappet, Advertised Duration 259/269, Lift .420/.455, Chevy, Small Block, Each
Part Number: HRS-112561-12S
Not Yet Reviewed
Estimated Ship Date: Dec 8, 2025 if ordered today
Estimated Ship Date: Dec 8, 2025 if ordered today
Pistons, ProMax 2618 Race Pistons, Forged, Dome, 4.310 in. Bore, Chevy Big Block, Each
Part Number: HRS-853127643-1
Not Yet Reviewed
Estimated Ship Date: Nov 24, 2025 if ordered today
Estimated Ship Date: Nov 24, 2025 if ordered today
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