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Z-ROD® 20W-50 Synthetic Motor Oil

Product code : ZRFQT-EA

4.9 star rating
Read 73 reviews
Read 73 reviews

  • Engineered for classic vehicles
  • Helps retain horsepower
  • High-zinc formula protects flat-tappet cams, lifters, rockers & other critical components
  • Protects against rust during storage
Product Overview

Z-ROD® 20W-50 Synthetic Motor Oil



Specially engineered for classic cars. Contains high levels of ZDDP, top-tier additives and rust inhibitors to protect your passion, deliver maximum performance and keep your classic engine free of rust and corrosion in storage.

See the Product Data Bulletin for full details.

PROTECTS FLAT-TAPPET CAMS

  • Formulated with high levels of ZDDP to protect flat-tappet cams, lifters, rockers and other areas susceptible to wear.
  • High-zinc, high-phosphorus formulation provides the extra wear protection critical splash-lubricated components require.
  • Fights wear to help prevent compression loss for maximum horsepower.

HELPS PREVENT RUST & CORROSION

  • Formulated with a unique blend of rust and corrosion inhibitors to ensure maximum protection during long-term storage.
  • Prevented rust and corrosion in industry standard testing (ASTM D1748-10) for excellent engine protection.

Z-ROD Delivers Superior Rust Protection

In industry standard testing, AMSOIL Z-ROD completely prevented rust formation while a leading competitor did not.A

AMSOIL Z-ROD completely prevented rust formation while a leading competitor did not.

ᴬ Based upon in-house testing of AMSOIL Z-ROD 10W-40 and a leading competitor obtained on 7/25/2019 in ASTM D1748-10.

See the Product Data Bulletin for full details.

Technical Specification

Z-ROD® 20W-50 Synthetic Motor Oil

Data Bulletin

Warranty

SDS



Product Reviews

Z-ROD® 20W-50 Synthetic Motor Oil

4.9 star rating
Based on 73 reviews
Based on 73 reviews
See all customer reviews
  • 4 star rating
    great oil.
    By  GARLAND,  a  Verified Buyer  from  Fort Stockton Tx  on  October 21, 2023
    great oil. I use it in my 351 cleveland BOSS with 671 BDS blower.
    Bottom Line
    Yes, I would recommend this to a friend.
    Was this review helpful?
  • 5 star rating
    Only way to go
    By  LARRY,  a  Verified Buyer  on  September 19, 2023
    If your not using Amsoil you need to get onboard
    Bottom Line
    Yes, I would recommend this to a friend.
    Was this review helpful?
  • 5 star rating
    Z rod syn. oil
    By  DOUG,  a  Verified Buyer  on  September 17, 2023
    Your products are always the best for lubrication and heat protection.
    Bottom Line
    Yes, I would recommend this to a friend.
    Was this review helpful?
  • 5 star rating
    X-Rod
    By  DENNIS,  a  Verified Buyer  from  Michigan   on  September 17, 2023
    Z-Rod oil with the zinc in it is really the perfect job for my big block Chevrolet engine I like to protection I get work
    Bottom Line
    Yes, I would recommend this to a friend.
    Was this review helpful?
  • 5 star rating
    Z Rod Oil
    By  LARRY,  a  Verified Buyer  from  FL.  on  August 05, 2023
    I use this oil in my 1937 Ford Tudor Humpback with the original motor. This oil makes the motor purr like a kitten. I use other oil products in some of my other vehicles.
    Bottom Line
    Yes, I would recommend this to a friend.
    Was this review helpful?
  • 5 star rating
    Great oil
    By  JOSEPH,  a  Verified Buyer  on  May 26, 2023
    Nothing better
    Bottom Line
    Yes, I would recommend this to a friend.
    Was this review helpful?
  • 5 star rating
    Quality
    By  DAVID,  a  Verified Buyer  on  May 07, 2023
    Perfect for our non catted cars
    Bottom Line
    Yes, I would recommend this to a friend.
    Was this review helpful?
  • 5 star rating
    Best oil ever
    By  EDWARD,  a  Verified Buyer  from  Morro bay ca  on  April 05, 2023
    My vehicles all use Amsoil have out lasted all my friends vehicles of the same type and I have double the mileage
    Bottom Line
    Yes, I would recommend this to a friend.
    Was this review helpful?
  • 5 star rating
    Great product for my 1968 Camaro
    By  MARK,  a  Verified Buyer  from  Washington State  on  March 21, 2023
    Great product with super fast shipping. Quick to respond to my tech question.
    Bottom Line
    Yes, I would recommend this to a friend.
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  • 5 star rating
    amsoil
    By  james,  a  Verified Buyer  from  Florida  on  February 18, 2023
    I have been using AMSOIL for decades in many different vehicles. ZROD ever since I restored a 65 Mustang. I use your filters also.
    Bottom Line
    Yes, I would recommend this to a friend.
    Was this review helpful?