Brad Penn is a semi synthetic...use it...and never look back. The results are what the are. It works.

As an FYI side,on the alcohol we run BP70W in the blown alky cars, best stuff yet.

RIP Monte Smith

Your work is a reflection of yourself, autograph it with quality.

WD for Diamond Pistons,Sidewinder cylinder heads, Wiseco, K1 rods and cranks,BAM lifters, Morel lifters, Molnar Technologies, Harland Sharp, Pro Gear, Cometic, King Engine Bearings and many others.