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.

Showing In Stock Items. Show All 20 Items.

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Results 1 - 18 of 18

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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Lucas Engine Oil Stop Leak 10279

Motor Oil Additive, Stop Leak, 1 Gallon, Set of 4

Part Number: LUC-10279

5.0 out of 5 stars ( 1 )

Cannot be shipped Internationally

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Cannot be shipped Internationally

Lucas Heavy-Duty Oil Stabilizer 10002

Motor Oil Additive, Heavy-Duty Stabilizer, One Gallon Bottle, Set of 4

Part Number: LUC-10002

5.0 out of 5 stars ( 48 )

Cannot be shipped Internationally

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COMP Cams Engine Break-In Oil Additive 159-12

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 )

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Cannot be shipped Internationally

Lucas Low Viscosity Oil Stabilizer 11097

Engine Oil Additive, Low Viscosity Oil Stabilizer, Synthetic, 12 oz., Set of 12

Part Number: LUC-11097

Not Yet Reviewed

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Cannot be shipped Internationally

Lucas Motorcycle Oil Stabilizer 10727

Engine Oil Additive, Motorcycle Oil Stabilizer, 12 oz., Set of 12

Part Number: LUC-10727

5.0 out of 5 stars ( 1 )

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Cannot be shipped Internationally

Lucas Engine Oil Stop Leak 10278

Motor Oil Additive, Stop Leak, 1 qt., Set of 12

Part Number: LUC-10278

Not Yet Reviewed

Cannot be shipped Internationally

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Cannot be shipped Internationally

Seafoam Motor Treatment FSF128-4

Motor Treatment, Seafoam, 1 Gallon, Set of 4

Part Number: SEA-FSF128-4

Not Yet Reviewed

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In Store Purchase Only

Lucas Synthetic Oil Stabilizer 10131

Motor Oil Additive, Oil Stabilizer, Synthetic, One Gallon, Set of 4

Part Number: LUC-10131

5.0 out of 5 stars ( 11 )

Cannot be shipped Internationally

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Cannot be shipped Internationally

Lucas Heavy-Duty Oil Stabilizer 10001

Motor Oil Additive, Heavy-Duty Stabilizer, One qt., Set of 12

Part Number: LUC-10001

5.0 out of 5 stars ( 3 )

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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

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Lucas High-Mileage Oil Stabilizer 10118

Engine Oil Additive, High Mileage Oil Stabilizer, 1 Quart, Set of 12

Part Number: LUC-10118

Not Yet Reviewed

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Lucas Synthetic Oil Stabilizer 10130

Oil Stabilizer, Synthetic, One qt., Set of 12

Part Number: LUC-10130

5.0 out of 5 stars ( 3 )

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

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Driven Racing Oil Storage Defender Oil Additive 70052-6

Engine Oil Additives, Storage Defender, Oil Treatment Type, Synthetic, 6 oz., Set of 6

Part Number: JGR-70052-6

Not Yet Reviewed

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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

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Schaeffer's Moly EP Oil Treatment 0132-023

Schaeffer’s Specialized Lubricants Moly EP Oil Treatment, 1 pint (Case of 24)

Part Number: SFO-0132-023

Not Yet Reviewed

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Schaeffer's Moly EP Oil Treatment 0132-006

Schaeffer’s Specialized Lubricants Moly EP Oil Treatment, 1 Gallon (Case of 6)

Part Number: SFO-0132-006

Not Yet Reviewed

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