1955 CHEVROLET Camshafts & Valvetrain

Camshaft, Hydraulic Flat Tappet, Advertised Duration 284/284, Lift .450/.450, Chevy, Small Block, Each

Part Number: HRS-112691-12

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Estimated Ship Date: Jan 2, 2026 if ordered today

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Camshaft, Hydraulic Flat Tappet, Advertised Duration 294/298, Lift .420/.420, Chevy, Small Block, Each

Part Number: HRS-112891-06

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Estimated Ship Date: Jan 2, 2026 if ordered today

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Camshaft, 4/7 Swap, Mechanical Roller Tappet, Advertised Duration 301/309, Lift .650/.650, Chevy, Small Block

Part Number: HRS-114983-06

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Estimated Ship Date: Jan 2, 2026 if ordered today

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Camshaft, American Muscle, Mechanical Flat Tappet, Advertised Duration 299/311, Lift .515/.535, Chevy, Each

Part Number: HRS-117692-12

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Estimated Ship Date: Jan 2, 2026 if ordered today

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Lifters, Race Series, Hydraulic Roller, Pro Max High RPM, Vertical Bar, Chevy, Small Block, Set of 16

Part Number: HRS-91170

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Lifters, Race Series, Hydraulic Roller, Horizontal Bar, Chevy, Gen III Small Block, Buick Head, Set of 16

Part Number: HRS-91181

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Lifters, Pro Max, Mechanical Roller, Pro Max Direct Lube, Vertical Bar, Chevy, Small Block, Pair

Part Number: HRS-91188-2

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Rocker Arms, Stud Mount, Full Roller, Aluminum, 1.65 Ratio, Fits 7/16 in. Stud, Chevy, 262-400, V8, Set of 16

Part Number: HRS-90087

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Estimated Ship Date: Jan 2, 2026 if ordered today

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Rocker, SB Chev, 1.65 x 7/16"

Part Number: HRS-90087-1

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Lifters, Mechanical Roller, Pro Lite Direct Lube, Vertical Bar, Chevy, Small Block, .300 in. Tall, Pair

Part Number: HRS-91132-2

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Lifters, Lifter, Chev SB, Mech Roller, Vert Bar, Pair

Part Number: HRS-91134-2

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Cam Bushing 3 Deg. Each

Part Number: HRS-94510-4510-3

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 2, 2026 if ordered today

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ROCKER ARM ADJ

Part Number: PIO-S-1010

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Nov 28, 2025 if ordered today

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ROCKER ARM KIT

Part Number: PIO-RK-346-X

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Estimated Ship Date: Nov 28, 2025 if ordered today

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Lifters, Elite Series, Hydraulic Flat Tappet, 0.842 in. Diameter, Chevrolet, Each

Part Number: TPD-LM842GM-1

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Estimated Ship Date: Dec 11, 2025 if ordered today

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Rocker Arms, Long Slot, Stud Mounting Style, Non-roller, 1.6 Ratio, Steel, Chevy, Small Block, Each

Part Number: HRS-90008-1

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Rocker SB Chev 1.5 x 3/8"

Part Number: HRS-90045-1

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Rocker SB Chev 1.6 x 3/8"

Part Number: HRS-90046-1

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Rocker Arms, Stud Mount, Full Roller, Aluminum, 1.3 Ratio, Fits 3/8 in. Stud, Chevy, 262-400, V8, Each

Part Number: HRS-90068-1

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Rocker, SB Chev, 1.3 x 7/16"

Part Number: HRS-90069-1

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Lifters, Mechanical Roller, Vertical Bar, 0.300 in. Taller Body, Chevy, Small Block, Pair

Part Number: HRS-91121-2

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 2, 2026 if ordered today

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Lifter GM 6 Cyl 235-261 Mech

Part Number: HRS-91125-1

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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

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Estimated Ship Date: Jan 2, 2026 if ordered today

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Valve Locks

Part Number: PIO-SS-555-HD

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Estimated Ship Date: Nov 28, 2025 if ordered today

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ROCKER ARM ASSM

Part Number: PIO-RA-1022

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Estimated Ship Date: Nov 28, 2025 if ordered today

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