Camshafts, Valves, Lifters, Rockers & More

Howards Cams Big Bottle 4/7 Swap Nitrous Oxide Mechanical Roller Camshafts 124453-12

Howards Cams Big Bottle 4/7 Swap Nitrous Oxide Mechanical Roller Camshafts 124453-12

Camshaft, Mechanical Roller Tappet, Advertised Duration 299/311, Lift .714/.725, Chevy, Big Block, Each

Part Number: HRS-124453-12

Not Yet Reviewed

Estimated Ship Date: Jan 9, 2026 if ordered today

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Estimated Ship Date: Jan 9, 2026 if ordered today

Howards Cams Big Bottle 4/7 Swap Nitrous Oxide Mechanical Roller Camshafts 124803-16

Camshaft, Big Bottle 4/7 Swap, Mechanical Roller Tappet, Advertised Duration 317/343, Lift .850/.810, Chevy, Big Block, Each

Part Number: HRS-124803-16

Not Yet Reviewed

Estimated Ship Date: Jan 9, 2026 if ordered today

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Estimated Ship Date: Jan 9, 2026 if ordered today

Howards Cams Big Bottle Nitrous Oxide Mechanical Roller Camshafts 111133-12

Camshaft, Mechanical Roller Tappet, Advertised Duration 289/299, Lift .600/.600, Chevy, Small Block, Each

Part Number: HRS-111133-12

Not Yet Reviewed

Estimated Ship Date: Jan 9, 2026 if ordered today

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Estimated Ship Date: Jan 9, 2026 if ordered today

Howards Cams Big Bottle Nitrous Oxide Mechanical Roller Camshafts 110613-12

Camshaft, Mechanical Roller Tappet, Advertised Duration 291/307, Lift .640/.630, Chevy, Small Block, Each

Part Number: HRS-110613-12

Not Yet Reviewed

Estimated Ship Date: Jan 9, 2026 if ordered today

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Estimated Ship Date: Jan 9, 2026 if ordered today

COMP Cams Nitrous HP Camshafts 12-552-4

Camshaft, Hydraulic Flat Tappet, Advertised Duration 256/268, Lift .434/.464, Chevy, Small Block, Each

Part Number: CCA-12-552-4

Not Yet Reviewed

Estimated Ship Date: Jan 14, 2026 if ordered today

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Estimated Ship Date: Jan 14, 2026 if ordered today

COMP Cams Nitrous HP Cam and Lifter Kits SK11-564-4

Cam/Lifters/Timing, Hydraulic Flat Tappet, Advertised Duration 274/290, Lift .551/.556, Chevrolet, Big Block, Each

Part Number: CCA-SK11-564-4

Not Yet Reviewed

Estimated Ship Date: Jan 2, 2026 if ordered today

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Estimated Ship Date: Jan 2, 2026 if ordered today

COMP Cams Nitrous HP Cam and Lifter Kits SK11-572-4

Cam/Lifters/Timing, Hydraulic Flat Tappet, Advertised Duration 294/316, Lift .588/.600, Chevrolet, Big Block, Each

Part Number: CCA-SK11-572-4

Not Yet Reviewed

Estimated Ship Date: Jan 2, 2026 if ordered today

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Estimated Ship Date: Jan 2, 2026 if ordered today

COMP Cams Nitrous HP Retrofit Cam and Lifter Kits K12-419-8

Cam/Lifters/Valvetrain, Hydraulic Roller Tappet, Adv. Duration 288/315, Lift .520/.540, Chevy, Small Block

Part Number: CCA-K12-419-8

Not Yet Reviewed

Estimated Ship Date: Jan 13, 2026 if ordered today

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Estimated Ship Date: Jan 13, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Howards Cams Boost Retrofit Hydraulic Roller Camshafts 119135-14

Not Yet Reviewed

Estimated Ship Date: Monday 11/24/2025

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Howards Cams Big Bottle 4/7 Swap Nitrous Oxide Mechanical Roller Camshafts 124793-12

Camshaft, Mechanical Roller Tappet, Advertised Duration 319/331, Lift .765/.731, Chevy, Big Block, Each

Part Number: HRS-124793-12

Not Yet Reviewed

Estimated Ship Date: Dec 8, 2025 if ordered today

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Estimated Ship Date: Dec 8, 2025 if ordered today

Howards Cams Big Bottle Nitrous Oxide Mechanical Roller Camshafts 121043-14

Camshaft, Mechanical Roller Tappet, Advertised Duration 309/323, Lift .810/.810, Chevy, Big Block, Each

Part Number: HRS-121043-14

Not Yet Reviewed

Estimated Ship Date: Dec 8, 2025 if ordered today

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Estimated Ship Date: Dec 8, 2025 if ordered today

COMP Cams Nitrous HP Cam and Lifter Kits SK08-303-8

Cam and Lifters, Hydraulic Roller Tappet, Advertised Duration 288/315, Lift .520/.540, Chevy, Small Block, Kit

Part Number: CCA-SK08-303-8

Not Yet Reviewed

Estimated Ship Date: Jan 8, 2026 if ordered today

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Estimated Ship Date: Jan 8, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Howards Cams Hydraulic Roller Camshafts 180235-12

5 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/24/2025

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Howards Cams Big Bottle Nitrous Oxide Mechanical Roller Camshafts 121663-12

Camshaft, Mechanical Roller Tappet, Advertised Duration 297/309, Lift .680/.680, Chevy, Big Block, Each

Part Number: HRS-121663-12

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

Howards Cams Big Bottle Nitrous Oxide Mechanical Roller Camshafts 110513-12

Camshaft, Mechanical Roller Tappet, Advertised Duration 305/319, Lift .680/.650, Chevy, Small Block, Each

Part Number: HRS-110513-12

Not Yet Reviewed

Estimated Ship Date: Dec 8, 2025 if ordered today

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Estimated Ship Date: Dec 8, 2025 if ordered today

Howards Cams Big Bottle Nitrous Oxide Mechanical Roller Camshafts 110513-12S

Camshaft, Mechanical Roller Tappet, Advertised Duration 305/319, Lift .680/.650, Chevy, Small Block, Each

Part Number: HRS-110513-12S

Not Yet Reviewed

Estimated Ship Date: Dec 8, 2025 if ordered today

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Estimated Ship Date: Dec 8, 2025 if ordered today

Howards Cams Big Bottle Nitrous Oxide Mechanical Roller Camshafts 110513-14

Camshaft, Mechanical Roller Tappet, Advertised Duration 305/319, Lift .680/.650, Chevy, Small Block, Each

Part Number: HRS-110513-14

Not Yet Reviewed

Estimated Ship Date: Dec 8, 2025 if ordered today

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Estimated Ship Date: Dec 8, 2025 if ordered today

Howards Cams Big Bottle Nitrous Oxide Mechanical Roller Camshafts 110673-12

Camshaft, Mechanical Roller Tappet, Advertised Duration 299/311, Lift .645/.640, Chevy, Small Block, Each

Part Number: HRS-110673-12

Not Yet Reviewed

Estimated Ship Date: Dec 8, 2025 if ordered today

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Estimated Ship Date: Dec 8, 2025 if ordered today

Howards Cams Big Bottle Nitrous Oxide Mechanical Roller Camshafts 111083-12

Camshaft, Mechanical Roller Tappet, Advertised Duration 307/317, Lift .630/.630, Chevy, Small Block, Each

Part Number: HRS-111083-12

Not Yet Reviewed

Estimated Ship Date: Dec 8, 2025 if ordered today

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Estimated Ship Date: Dec 8, 2025 if ordered today

Howards Cams Big Bottle Nitrous Oxide Mechanical Roller Camshafts 110393-14S

Camshaft, Mechanical Roller Tappet, Advertised Duration 309/323, Lift .675/.675, Chevy, Small Block, Each

Part Number: HRS-110393-14S

Not Yet Reviewed

Estimated Ship Date: Dec 8, 2025 if ordered today

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Estimated Ship Date: Dec 8, 2025 if ordered today

Howards Cams Big Bottle Nitrous Oxide Mechanical Roller Camshafts 111133-12S

Camshaft, Mechanical Roller Tappet, Advertised Duration 289/299, Lift .600/.600, Chevy, Small Block, Each

Part Number: HRS-111133-12S

Not Yet Reviewed

Estimated Ship Date: Dec 8, 2025 if ordered today

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Estimated Ship Date: Dec 8, 2025 if ordered today

COMP Cams Nitrous HP Cam and Lifter Kits SK12-560-4

Cam/Lifters/Timing, Hydraulic Flat Tappet, Advertised Duration 268/286, Lift .477/.490, Chevy, Small Block, Kit

Part Number: CCA-SK12-560-4

Not Yet Reviewed

Estimated Ship Date: Dec 9, 2025 if ordered today

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Estimated Ship Date: Dec 9, 2025 if ordered today

COMP Cams Nitrous HP Cam and Lifter Kits CL12-552-4

Cam and Lifters, Hydraulic Flat Tappet, Advertised Duration 256/268, Lift .434/.464, Chevy, Small Block, Each

Part Number: CCA-CL12-552-4

Not Yet Reviewed

Estimated Ship Date: Dec 9, 2025 if ordered today

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Estimated Ship Date: Dec 9, 2025 if ordered today

COMP Cams Nitrous HP Cam and Lifter Kits CL08-303-8

Cam and Lifters, Hydraulic Roller Tappet, Advertised Duration 288/315, Lift .520/.540, Chevy, Small Block, Kit

Part Number: CCA-CL08-303-8

Not Yet Reviewed

Estimated Ship Date: Dec 9, 2025 if ordered today

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Estimated Ship Date: Dec 9, 2025 if ordered today

Howards Cams Big Bottle Nitrous Oxide Mechanical Roller Camshafts 221073-14

Camshaft, Mechanical Roller Tappet, Advertised Duration 313/327, Lift .779/.763, Ford, 351W, Each

Part Number: HRS-221073-14

Not Yet Reviewed

Estimated Ship Date: Dec 3, 2025 if ordered today

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Estimated Ship Date: Dec 3, 2025 if ordered today

Howards Cams Big Bottle Nitrous Oxide Mechanical Roller Camshafts 120823-12

Camshaft, Mechanical Roller Tappet, Advertised Duration 307/317, Lift .714/.714, Chevy, Big Block, Each

Part Number: HRS-120823-12

Not Yet Reviewed

Estimated Ship Date: Dec 3, 2025 if ordered today

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Estimated Ship Date: Dec 3, 2025 if ordered today

Howards Cams Big Bottle Nitrous Oxide Mechanical Roller Camshafts 121093-14

Camshaft, Mechanical Roller Tappet, Advertised Duration 315/327, Lift .765/.725, Chevy, Big Block, Each

Part Number: HRS-121093-14

Not Yet Reviewed

Estimated Ship Date: Dec 3, 2025 if ordered today

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Estimated Ship Date: Dec 3, 2025 if ordered today