$25 Off $250 / $50 Off $500, on Summit Racing Brand Products - Use Promo Code: BUILDIT

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Howards Cams Big Bottle Nitrous Oxide Mechanical Roller Camshafts

4.75 out of 5 stars 4 Customer Reviews

Cubes on juice need Big Bottle cams from Howards Cams! Their nitrous oxide mechanical roller camshafts offer precision-ground, high-grade, race-quality cores to ensure top performance. These Howards nitrous cams are serious cams for serious street to all-out racing applications engineered with custom-designed lobes for 250 hp and above. Are you looking for maximum performance? Match your N2O with these bottle-built Big Bottle nitrous oxide mechanical roller camshafts from Howards Cams and enjoy the ride!

Results 1 - 25 of 32

Camshaft, Mechanical Roller Tappet, Advertised Duration 295/305, Lift .672/.688, Ford, 351W, Each

Part Number: HRS-220373-12

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/24/2025

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Estimated Ship Date: Monday 11/24/2025

Camshaft, Mechanical Roller Tappet, Advertised Duration 295/305, Lift .640/.645, Chevy, Small Block, Each

Part Number: HRS-111113-12S

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

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

Part Number: HRS-124823-12

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

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

Part Number: HRS-110673-12S

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

Camshaft, Mechanical Roller Tappet, Advertised Duration 313/331, Lift .779/.763, Ford, 351W, Each

Part Number: HRS-221093-12

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 8, 2025 if ordered today

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Estimated Ship Date: Dec 8, 2025 if ordered today

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

Part Number: HRS-120973-12

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

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

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

Camshaft, Mechanical Roller Tappet, Advertised Duration 287/299, Lift .640/.640, Ford, 351W, Each

Part Number: HRS-221133-12

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 14, 2026 if ordered today

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Estimated Ship Date: Jan 14, 2026 if ordered today

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

Part Number: HRS-110613-12S

Not Yet Reviewed

Estimated Ship Date: Dec 1, 2025 if ordered today

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Estimated Ship Date: Dec 1, 2025 if ordered today

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

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

Part Number: HRS-121043-12

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

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

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

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

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

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

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

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

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

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

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

Camshaft, Mechanical Roller Tappet, Advertised Duration 305/319, Lift .725/.693, Ford, 351W, Each

Part Number: HRS-220793-12

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

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Estimated Ship Date: Dec 22, 2025 if ordered today

Camshaft, Mechanical/Solid Roller Tappet, Retro Fit, Advertised Duration 299/311, Lift 0.714/0.725 in., 112 LSA, 108 Intake CL, Chevy, Big Block, Each

Part Number: HRS-120453-12

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 26, 2025 if ordered today

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Estimated Ship Date: Dec 26, 2025 if ordered today

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

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