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Speed Pro bearings are designed and manufactured by one of the biggest and well known parts manufacturer in in the world know by the name of Federal-Mogul.
With such features such as "Duroshield" technology you can be sure these bearings will last years of operation.

These bearings are the exact high quality main bearings that we use in our own engine builds.

Suits all Slant 6 engines

A little about Speed Pro bearings:
Speed-Pro® delivers the latest technology in performance engine bearings. Our H-14 alloy, 3/4 groove lubrication design, and "ramp and flat" thrust bearings are engineered to survive in extreme conditions. Advanced chemistry delivers an extra layer of protection.

Speed-Pro DUROSHIELD® bearings deliver all the performance and race winning durability found in our traditional race parts, plus a unique benefit derived from the polymer coating. The micro-thin molybdenum disulfide, polymer base coating becomes part of the bearing, absorbing oil for high lubricity and low friction. 

It provides an added level of protection from potential damage caused by dry starts or interrupted lubrication:
Enhanced molybdenum disulfide coating in a polymer base adds an extra layer of protection
High lubricity and low friction reduces potential damage from interrupted lubrication

Speed-Pro® delivers the latest technology in performance engine bearings. Our H-14 alloy, 3/4 groove lubrication design, and "ramp and flat" thrust bearings are engineered to survive in extreme conditions. Advanced chemistry delivers an extra layer of protection. Speed-Pro DUROSHIELD® bearings deliver all the performance and race winning durability found in our traditional race parts, plus a unique benefit derived from the polymer coating. The micro-thin molybdenum disulfide, polymer base coating becomes part of the bearing, absorbing oil for high lubricity and low friction. It provides an added level of protection from potential damage caused by dry starts or interrupted lubrication.

• Enhanced molybdenum disulfide coating in a polymer base adds an extra layer of protection
• High lubricity and low friction reduces potential damage from interrupted lubrication