Engines & Engine Parts at Summit Racing

Howards Cams Big Bottle 4/7 Swap Nitrous Oxide Mechanical Roller Camshafts 124043-14

Howards Cams Big Bottle 4/7 Swap Nitrous Oxide Mechanical Roller Camshafts 124043-14

Camshaft, Big Bottle 4/7 Swap, Mechanical Roller Tappet, Advertised Duration 309/323, Lift .810/.810, Chevy, Big Block, Each

Part Number: HRS-124043-14

Not Yet Reviewed

Estimated Ship Date: Jan 5, 2026 if ordered today

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Estimated Ship Date: Jan 5, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

COMP Cams Drag Race Camshafts 11-750-14

5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 11/24/2025

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Howards Cams Big Bottle 4/7 Swap Nitrous Oxide Mechanical Roller Camshafts 124093-18

Camshaft, Big Bottle 4/7 Swap, Mechanical Roller Tappet, Advertised Duration 323/351, Lift .872/.867, Chevy, Big Block, Each

Part Number: HRS-124093-18

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 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

JE Pistons Big Block Nitrous Series Dome Top Pistons 258241

Pistons, Forged, Dome, 2-Valve Reliefa, 4.600 in. Bore, 4.250 in. Stroke, 6.385 in. Rod, 1.270 in. Compression, Chevy, Set of 8

Part Number: JEP-258241-8

Not Yet Reviewed

Estimated Ship Date: Dec 12, 2025 if ordered today

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Estimated Ship Date: Dec 12, 2025 if ordered today

JE Pistons Big Block Nitrous Series Dome Top Pistons 258241S

Not Yet Reviewed

Estimated Ship Date: Dec 12, 2025

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Diamond Pistons Big Block 24/26 Degree Nitrous Dome Series Pistons 12714

CH BB DM 4.625B/4.250S/6.385R/1.270CD N/

Part Number: DPP-12714

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

Diamond Pistons Big Block 24/26 Degree Nitrous Dome Series Pistons 12720

CH BB DM 4.610B/4.250S/6.385R/1.270CD

Part Number: DPP-12720

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

JE Pistons HNS Hardened Nitrous Series Piston Rings J820F8-4165-5

Piston Rings, Manganese, 4.165 in. Bore, 1/16 in., 1/16 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: JEP-J820F841655

Not Yet Reviewed

Estimated Ship Date: Dec 12, 2025 if ordered today

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Estimated Ship Date: Dec 12, 2025 if ordered today

JE Pistons HNS Hardened Nitrous Series Piston Rings J820F8-4185-5

Piston Rings, Manganese, 4.185 in. Bore, 1/16 in., 1/16 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: JEP-J820F84185-5

Not Yet Reviewed

Estimated Ship Date: Dec 12, 2025 if ordered today

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Estimated Ship Date: Dec 12, 2025 if ordered today

JE Pistons HNS Hardened Nitrous Series Piston Rings J820F8-4040-5

Piston Rings, Manganese, 4.040 in. Bore, 1/16 in., 1/16 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: JEP-J820F840405

Not Yet Reviewed

Estimated Ship Date: Dec 12, 2025 if ordered today

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Estimated Ship Date: Dec 12, 2025 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

Diamond Pistons Small Block Chevy Nitrous Series Pistons 11848-8

Pistons, Flat top, Race Series, Forged Aluminum, 4.155 in. Bore, -9.00cc Head Volume, Chevy, Set of 8

Part Number: DPP-11848-8

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

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

Diamond Pistons 23 Degree Nitrous Dome Series Pistons 11849-8

350/400 23° 4.165B/1.200CD/Kit

Part Number: DPP-11849-8

Not Yet Reviewed

Estimated Ship Date: Nov 26, 2025 if ordered today

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Estimated Ship Date: Nov 26, 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