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Royal Purple HPS Street Motor Oil 31520

Motor Oil, Synthetic, 5W20, HPS Street, 1 qt., Each

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3 Customer Reviews for Royal Purple 31520 - Royal Purple HPS Street Motor Oil

Average Customer Review

5 Star

(3)

4 Star

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2 Star

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Reliable for high performance

Summit RacingSummit Racing Verified Purchase

Wear levels lower than 8 micron appear satisfactory. PQ index number (ferrous material) appears lower than typical.

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Reviewer: PAUL from AZ

Date: June 23, 2014

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Oil for 06 Civic with 1.8L

Summit RacingSummit Racing Verified Purchase

I haven't noticed any performance or better gas mileage but the engine is quiet and running great, like new.

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Reviewer: NICK from NY

Date: May 17, 2014

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You know of the hemi tick

Summit RacingSummit Racing Verified Purchase

My 05 ram has the hemi and130k on it, the RP HPS seems to quiet the hemi tick down substanitaly. Wouldnt suggest any other oil.

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Reviewer: MICHAEL from AZ

Date: March 18, 2014

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  • 1

Some parts are not legal for sale or use in California on any pollution-controlled motor vehicles

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