1957 CHEVROLET Camshafts & Valvetrain

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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Camshaft, American Muscle, Hydraulic Flat Tappet, Advertised Duration 290/290, Lift .447/.447, SBC, Each

Part Number: HRS-110031-14

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Camshaft, Mechanical Roller Tappet, Advertised Duration 269/275, Lift .555/.555, Chevy, Small Block, Each

Part Number: HRS-110183-10

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Camshaft, Mechanical Flat Tappet, Advertised Duration 279/285, Lift .515/.515, Chevy, Small Block, Each

Part Number: HRS-110432-06

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Camshaft, Retrofit, Hydraulic Roller Tappet, Advertised Duration 290/290, Lift .560/.560, Chevy, Small Block

Part Number: HRS-110635-10

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Camshaft, Mechanical Flat Tappet, Advertised Duration 283/293, Lift .515/.515, Chevy, Small Block, Each

Part Number: HRS-110792-06

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Camshaft, Mechanical Flat Tappet, Advertised Duration 281/287, Lift .515/.515, Chevy, Small Block, Each

Part Number: HRS-110832-06

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Camshaft, Hydraulic Flat Tappet, Advertised Duration 279/279, Lift .465/.465, Chevy, Small Block, Each

Part Number: HRS-110941-11

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Camshaft, Hydraulic Flat Tappet, Advertised Duration 295/295, Lift .470/.470, Chevy, Small Block, Each

Part Number: HRS-110981-08

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Camshaft, Mechanical Flat Tappet, Advertised Duration 283/283, Lift .510/.510, Chevy, Small Block, Each

Part Number: HRS-111012-08

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Camshaft, Mechanical Roller Tappet, Advertised Duration 309/317, Lift .675/.645, Chevy, Small Block, Each

Part Number: HRS-111233-06S

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Camshaft, Mechanical Roller Tappet, Advertised Duration 279/279, Lift .585/.585, Chevy, Small Block, Each

Part Number: HRS-111313-06S

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Camshaft, Mechanical Flat Tappet, Advertised Duration 272/278, Lift .500/.500, Chevy, Small Block, Each

Part Number: HRS-111632-06

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Camshaft, Hydraulic Flat Tappet, Advertised Duration 297/297, Lift .507/.507, Chevy, Small Block, Each

Part Number: HRS-111671-08

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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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Valve Spring Retainer Kit

Part Number: PIO-817100

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Estimated Ship Date: Nov 28, 2025 if ordered today

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Valve Spring Retainer Kit

Part Number: PIO-817104

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Estimated Ship Date: Nov 28, 2025 if ordered today

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Valve, Intake, 1.940 in. Head Diameter, 8.73mm Stem Diameter, 4.911 in. Overall Length, Chevy, Small Block, Each

Part Number: HRS-19401N

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Cam Button Kit

Part Number: PIO-839028

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Estimated Ship Date: Nov 28, 2025 if ordered today

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