You dont need aluminum caps. Stud it, align hone it properly, balance the rotating assembly correctly, and tune it. Yours is simply not an application where it really benefits from it. Good luck.

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.