Availability
1973 Howards Cams Engines & Components
Crankshaft, Forged 4340 Steel, 4.250 in. Stroke, Chevy, 454, Internal Balance, 2-Piece Seal, Each
Part Number: HRS-H454256322T
Not Yet Reviewed
Estimated Ship Date: May 12, 2026 if ordered today
Estimated Ship Date: May 12, 2026 if ordered today
Camshaft, Hydraulic Flat Tappet, Advertised Duration 279/289, Lift .527/.533, Chevy, Big Block, Each
Part Number: HRS-122121-14
Not Yet Reviewed
Estimated Ship Date: May 12, 2026 if ordered today
Estimated Ship Date: May 12, 2026 if ordered today
Camshaft, Hydraulic Flat Tappet, Advertised Duration 275/275, Lift .519/.519, Chevy, 4.8L, Each
Part Number: HRS-150041-08
Estimated Ship Date: May 12, 2026 if ordered today
Estimated Ship Date: May 12, 2026 if ordered today
Connecting Rod, 4340 Steel, H-Beam, Natural, 6.385 in., Chevy, Big Block, Set of 8
Part Number: HRS-TS63852200
Not Yet Reviewed
Estimated Ship Date: May 12, 2026 if ordered today
Estimated Ship Date: May 12, 2026 if ordered today
Bushing, Cam Advance/Retard, 2 Degree, Chevy, Small, Big Block, Each
Part Number: HRS-94505-4505-2
Not Yet Reviewed
Estimated Ship Date: May 12, 2026 if ordered today
Estimated Ship Date: May 12, 2026 if ordered today
Camshaft, Hydraulic Flat Tappet, Advertised Duration 259/269, Lift .420/.446, Pontiac, V8, Each
Part Number: HRS-410011-12
Not Yet Reviewed
Estimated Ship Date: May 12, 2026 if ordered today
Estimated Ship Date: May 12, 2026 if ordered today
Camshaft, Hydraulic Flat Tappet, Advertised Duration 308/308, Lift .474/.474, Oldsmobile, V8, Each
Part Number: HRS-517241-13
Estimated Ship Date: May 12, 2026 if ordered today
Estimated Ship Date: May 12, 2026 if ordered today
Camshaft, Hydraulic Flat Tappet, Rattler, Advertised Duration 297/305, Lift .507/.495, Pontiac, V8, Each
Part Number: HRS-418081-09
Estimated Ship Date: May 12, 2026 if ordered today
Estimated Ship Date: May 12, 2026 if ordered today
Connecting Rod, 4340 Steel, H-Beam, Natural, 5.400 in., Chevy, Small Block, Each
Part Number: HRS-TS54002129-1
Not Yet Reviewed
Estimated Ship Date: May 12, 2026 if ordered today
Estimated Ship Date: May 12, 2026 if ordered today
Rocker, SB Chev, 1.65 x 7/16"
Part Number: HRS-90087-1
Not Yet Reviewed
Estimated Ship Date: May 12, 2026 if ordered today
Estimated Ship Date: May 12, 2026 if ordered today
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: May 12, 2026 if ordered today
Estimated Ship Date: May 12, 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: May 12, 2026 if ordered today
Estimated Ship Date: May 12, 2026 if ordered today
Camshaft, Hydraulic Flat Tappet, Advertised Duration 297/307, Lift .575/.595, Chevy, Big Block, Each
Part Number: HRS-122531-10
Not Yet Reviewed
Estimated Ship Date: May 12, 2026 if ordered today
Estimated Ship Date: May 12, 2026 if ordered today
Camshaft, Hydraulic Flat Tappet, Rattler, Advertised Duration 297/305, Lift .554/.571, Ford, 429, 460, Each
Part Number: HRS-248101-09
Not Yet Reviewed
Estimated Ship Date: May 12, 2026 if ordered today
Estimated Ship Date: May 12, 2026 if ordered today
Connecting Rod, 4340 Steel, H-Beam, Natural, 5.400 in., Chevy, Small Block, Set of 8
Part Number: HRS-TS54002129
Not Yet Reviewed
Estimated Ship Date: May 12, 2026 if ordered today
Estimated Ship Date: May 12, 2026 if ordered today
Connecting Rod, 4340 Steel, H-Beam, Natural, 6.385 in., Chevy, Big Block, Each
Part Number: HRS-TS63852200-1
Not Yet Reviewed
Estimated Ship Date: May 12, 2026 if ordered today
Estimated Ship Date: May 12, 2026 if ordered today
Connecting Rod, 4340 Steel, H-Beam, Natural, 6.2 in., Chevy, Small Block, Each
Part Number: HRS-TS62002100-1
Not Yet Reviewed
Estimated Ship Date: May 12, 2026 if ordered today
Estimated Ship Date: May 12, 2026 if ordered today
Camshaft, Hydraulic Flat Tappet, Advertised Duration 275/285, Lift .501/.501, Ford, 351W, Each
Part Number: HRS-220951-10
Not Yet Reviewed
Estimated Ship Date: May 12, 2026 if ordered today
Estimated Ship Date: May 12, 2026 if ordered today
Camshaft, Hydraulic Flat Tappet, Advertised Duration 277/289, Lift .496/.520, Ford, 351W, Each
Part Number: HRS-220051-10
Not Yet Reviewed
Estimated Ship Date: May 12, 2026 if ordered today
Estimated Ship Date: May 12, 2026 if ordered today
Camshaft, 4/7 Swap, Hydraulic Roller Tappet, Advertised Duration 290/296, Lift .560/.566, Pontiac, V8, Each
Part Number: HRS-414495-08
Not Yet Reviewed
Estimated Ship Date: May 13, 2026 if ordered today
Estimated Ship Date: May 13, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
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: May 12, 2026 if ordered today
Estimated Ship Date: May 12, 2026 if ordered today
Lifter, Cad, Hyd Rlr, Street
Part Number: HRS-91462-2
Not Yet Reviewed
Estimated Ship Date: May 12, 2026 if ordered today
Estimated Ship Date: May 12, 2026 if ordered today
Lifters, Mechanical Roller, Vertical Bar, Chrysler, Big Block, Hemi, Pair
Part Number: HRS-91727-2
Not Yet Reviewed
Estimated Ship Date: May 12, 2026 if ordered today
Estimated Ship Date: May 12, 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: May 13, 2026 if ordered today
Estimated Ship Date: May 13, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Guideplate, Raised, 5/16 in. Pushrod Size, Ford Big Block, Set of 8
Part Number: HRS-94625
Not Yet Reviewed
Estimated Ship Date: May 12, 2026 if ordered today
Estimated Ship Date: May 12, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Truck / SUV
Jeep®
Restoration
Stock Replacement
Late Model Muscle
Tools
Gifts, Clothing, & More
Circle Track
Street Rod
Powersports
Paint & Body
Marine
Jr Dragster