You need Harland shafts. The shafts Harland uses are much harder ( hard chromed) than the stock shafts, as well as have 2 oil holes in them. You are using roller bearing now, so hence the need for the change.

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.