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EDGE 5W-50 with SYNTEC
Power Technology

Exceptional Engine Protection for Classic Cars




Castrol has transitioned SYNTEC 20W-50 formulated for classic car engines to Castrol EDGE 5W-50 with SYNTEC Power Technology. Castrol EDGE 5W-50 offers performance improvements over SYNTEC 20W-50 in a number of key areas.

  EDGE 5W-50
Syntec
20W-50
EDGE 5W-50
with SPT
Extra Zinc Protection X X
Proprietary Additive X X
Improved Low Temperature Start Up   X
Latest API Performance*   X
Improved Fuel Economy   X

*Castrol EDGE 5W-50 meets the requirements of the latest API category API SN

Back in 1906 Castrol created its first automobile lubricant. Since then, our leading–edge technologies have protected generation after generation of engines. Castrol EDGE 5W–50 motor oil is geared to protecting, preserving and helping extend the life of your vehicle from an age gone by that still lives on.
Exceptional Engine Protection for Classic Cars

Today's engines are engineering differently and face different demands than those of yesteryear. Now classic car owners who are particular about what they put into their vintage vehicles can receive modern protection from a higher zinc formula specially engineered for classic engines.

In this section

Castrol SYNTEC 20W-50 is now EDGE 5W-50 with Syntec Power Technology

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