Engine Oil Additives

Your engine needs high-quality motor oil to function, but for high performance engines, regular oil may not be enough! Brand new (or freshly rebuilt) engines require...

Your engine needs high-quality motor oil to function, but for high performance engines, regular oil may not be enough! Brand new (or freshly rebuilt) engines require extra lubrication during the critical break-in period, vehicles in storage need oil stabilizers to prevent corrosion, and flat tappet camshafts demand ZDDP (zinc dialkyldithiophosphate) additives. Some additives even stop leaks, remove deposits, or treat gaskets for longer service life!

Fortunately, Summit Racing Equipment has all of the oil additives you might need, plus decades of racing and engine building expertise to help you find the exact formulation...

Fortunately, Summit Racing Equipment has all of the oil additives you might need, plus decades of racing and engine building expertise to help you find the exact formulation you need. Pretty slick!

Top Brands

You’ve invested a lot in your high-performance engine, so naturally you want to protect it and prolong its life. Summit Racing Equipment is powered by enthusiasts just like you, so we only carry products we’d use in our own project engines. Shop from proven and trusted brands including Lucas Oil, Red Line, Hot Shot’s Secret, Driven Racing Oil, Trick Flow, Torco, and more.

Individual Parts

Part Groups

Results 1 - 14 of 14

COMP Cams Engine Break-In Oil Additive 159

COMP Cams Engine Break-In Oil Additive 159

Motor Oil Additive, ZDDP, Engine Break-In, 12 oz., Each

Part Number: CCA-159

4.87 out of 5 stars ( 253 )

Cannot be shipped Internationally

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Cannot be shipped Internationally

COMP Cams Engine Break-In Oil Additive 159-12

Motor Oil Additive, ZDDP, Engine Break-In, 12 oz., Set of 12

Part Number: CCA-159-12

5.0 out of 5 stars ( 6 )

Cannot be shipped Internationally

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Cannot be shipped Internationally

Lucas Engine Break-In Oil Additive 10063-1

Motor Oil Additive, ZDDP, Engine Break-In, 16 oz., Each

Part Number: LUC-10063-1

4.85 out of 5 stars ( 110 )

Cannot be shipped Internationally

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Cannot be shipped Internationally

Lucas Engine Break-In Oil Additive 10063

Motor Oil Additive, ZDDP, Engine Break-In, 16 oz., Set of 12

Part Number: LUC-10063

5.0 out of 5 stars ( 3 )

Cannot be shipped Internationally

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Cannot be shipped Internationally

Howards Cams Max ZPM Camshaft Break-In Lube 99000

Assembly Lubricant, for Camshaft Break-In, 4 fluid oz., Each

Part Number: HRS-99000

4.86 out of 5 stars ( 14 )

Cannot be shipped Internationally

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Cannot be shipped Internationally

Howards Cams Max ZPM Camshaft Break-In Lube 99000-24

Assembly Lubricant, for Camshaft Break-In, 4 fluid oz., Set of 24

Part Number: HRS-99000-24

Not Yet Reviewed

Cannot be shipped Internationally

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Cannot be shipped Internationally

Red Line Engine Oil Break-In Additive 81403

Motor Oil Additive, ZDDP, Engine Break-In, 16 oz., Each

Part Number: RED-81403

5.0 out of 5 stars ( 17 )

Cannot be shipped Internationally

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Cannot be shipped Internationally

Red Line Engine Oil Break-In Additive 81403-12

Engine Oil Additive, Break-In, 16 oz., Set of 12

Part Number: RED-81403-12

Not Yet Reviewed

Cannot be shipped Internationally

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Cannot be shipped Internationally

Hamilton Cams Cam-Shield Zinc Additive 07-C-001

Oil Additive, Cam-Shield, ZDDP, Engine Break-In, 3 oz., Each

Part Number: HML-07-C-001

4.5 out of 5 stars ( 2 )

Cannot be shipped Internationally if ordered today

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Cannot be shipped Internationally if ordered today

Trick Flow® Engine Oil Supplements TFS-94000

Motor Oil Additive, ZDDP, Engine Break-In, 12 oz., Each

Part Number: TFS-94000

4.96 out of 5 stars ( 28 )

Cannot be shipped Internationally

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Cannot be shipped Internationally

Mr. Gasket Zinc Engine Oil Additive 78050G

Motor Oil Additive, ZDDP, Engine Break-In, 4 oz., Each

Part Number: MRG-78050G

4.91 out of 5 stars ( 11 )

Cannot be shipped Internationally

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Cannot be shipped Internationally

Torco ZEP Zinc Engine Protector A010033LE

Motor Oil Additive, ZEP, Engine Break-In, 12 oz., Each

Part Number: TIC-A010033LE

Not Yet Reviewed

Cannot be shipped Internationally

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Cannot be shipped Internationally

Torco ZEP Zinc Engine Protector A010033L

Motor Oil Additive, ZEP, Engine Break-In, 12 oz., Set of 12

Part Number: TIC-A010033L

Not Yet Reviewed

Cannot be shipped Internationally

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Cannot be shipped Internationally

Crower ZDDPlus Motor Oil Additive 86092

Motor Oil Additive, ZDDP, Engine Break-In, Kit

Part Number: CRO-86092

4.85 out of 5 stars ( 20 )

Cannot be shipped Internationally

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Cannot be shipped Internationally

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