Harland Sharps are more than adequate at that range. T&D is certainly an option, and are nice pieces, but dont worry a bit about running Harlands with those pressures. Non issue.

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.