CHEVROLET Chevy big block Mark IV Howards Cams Parts and Accessories

Cam and Lifters, Rattler, Hydraulic Flat Tappet, Advertised Duration 281/289, Lift .545/.553, Chevy, Big Block, V8, Kit

Part Number: HRS-CL128001-09

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Rocker Arm Stud Girdle, Aluminum, Purple, 7/16 in.-20 Thread, Chevy, Big Block, Dart, Brodix, AFR and RHS, Kit

Part Number: HRS-90121

4.82 out of 5 stars ( 11 )

Estimated Ship Date: Today

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Rocker Arms, Stud Mount, Full Roller, Aluminum, 1.7 Ratio, Fits 7/16 in. Stud, Chevy, 396-454, V8, Set of 16

Part Number: HRS-90075

4.89 out of 5 stars ( 9 )

Estimated Ship Date: Today

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Camshaft, Mechanical Roller Tappet, Advertised Duration 293/301, Lift .680/.680, Chevy, Big Block, Each

Part Number: HRS-121133-14

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Camshaft, Hydraulic Roller Tappet, Advertised Duration 290/296, Lift .634/.640, Chevy, Big Block, Each

Part Number: HRS-120265-12

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Lifters, Mechanical Roller, Horizontal Bar, Chevy, Big Block, Set of 16

Part Number: HRS-91129

4.0 out of 5 stars ( 1 )

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Rocker Arm Stud Girdle, Aluminum, Purple, 7/16 in.-20 Thread, Chevy, Big Block, Kit

Part Number: HRS-90120

5.0 out of 5 stars ( 3 )

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Cam and Lifters, Hydraulic Flat Tappet, Advertised Duration 279/279, Lift .527/.527, Chevy, Big Block, Kit

Part Number: HRS-CL120941-11

5.0 out of 5 stars ( 5 )

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Rocker Arms, Stud Mount, Full Roller, Aluminum, 1.8 Ratio, Fits 7/16 in. Stud, Chevy, 396-454, V8, Set of 16

Part Number: HRS-90079

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Lifters, Hydraulic Flat Tappet, Chevy, Set of 16

Part Number: HRS-91110

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Camshaft, Retrofit, Hydraulic Roller Tappet, Advertised Duration 300/308, Lift .680/.680, Chevy, Big Block

Part Number: HRS-123505-12

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Main Caps, Billet Steel, Center, Straight Outer Bolts, 4-Bolt, Chevy, Big Block, Set of 3

Part Number: HRS-H454

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Camshaft, Mechanical Roller Tappet, Advertised Duration 309/323, Lift .737/.731, Chevy, Big Block, Each

Part Number: HRS-120973-12

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Estimated Ship Date: Feb 2, 2026 if ordered today

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Camshaft, Retrofit, Hydraulic Roller Tappet, Advertised Duration 278/288, Lift .595/.601, Chevy, Big Block

Part Number: HRS-122115-14

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Estimated Ship Date: Dec 31, 2025 if ordered today

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Camshaft, Hydraulic Roller Tappet, Advertised Duration 286/298, Lift .634/.634, Chevy, Big Block, Each

Part Number: HRS-120205-14

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Dec 29, 2025 if ordered today

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Camshaft, Retrofit, Hydraulic Roller Tappet, Advertised Duration 300/308, Lift .680/.680, Chevy, Big Block

Part Number: HRS-123505-10

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Camshaft, Mechanical Roller Tappet, Advertised Duration 305/309, Lift .731/.737, Chevy, Big Block, Each

Part Number: HRS-121673-08

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Estimated Ship Date: Jan 19, 2026 if ordered today

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Camshaft, Mechanical Roller Tappet, Advertised Duration 309/319, Lift .737/.737, Chevy, Big Block, Each

Part Number: HRS-121233-12

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Estimated Ship Date: Feb 2, 2026 if ordered today

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Cam and Lifters, Street Force 2, Hydraulic Flat Tappet, Advertised Duration 269/275, Lift .516/.527, Chevy, Big Block, Kit

Part Number: HRS-CL120031-12

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 2, 2026 if ordered today

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Rocker Arm Stud Girdles, Maximum Effort, Clamp-On, 0.550 in. Minimum Rocker Slot Width, Aluminum, Purple Anodized, Chevrolet, Big Block Mark IV, Pair

Part Number: HRS-90121X

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Estimated Ship Date: Feb 2, 2026 if ordered today

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Camshaft, Mechanical Roller Tappet, Advertised Duration 261/269, Lift .629/.629, Chevy, Big Block, Each

Part Number: HRS-121213-08

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Estimated Ship Date: Jan 9, 2026 if ordered today

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Camshaft, Mechanical Roller Tappet, Advertised Duration 301/309, Lift .703/.703, Chevy, Big Block, Each

Part Number: HRS-121123-10

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Estimated Ship Date: Jan 27, 2026 if ordered today

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Camshaft, Retrofit, Hydraulic Roller Tappet, Advertised Duration 286/300, Lift .600/.612, Chevy, Big Block

Part Number: HRS-120605-14

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Estimated Ship Date: Jan 28, 2026 if ordered today

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Camshaft, Mechanical Roller Tappet, Advertised Duration 297/309, Lift .703/.703, Chevy, Big Block, Each

Part Number: HRS-121663-08

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Estimated Ship Date: Jan 21, 2026 if ordered today

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Camshaft, Mechanical Roller Tappet, Advertised Duration 269/275, Lift .629/.629, Chevy, Big Block, Each

Part Number: HRS-120183-08

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Estimated Ship Date: Jan 26, 2026 if ordered today

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