1G DSM Turbo 4G63 cyl head - built for race use on shop's drag-car PRTOUT.
BUILT: April 2 2021 - it's been on the car for one 1/4mile pass and two 1/8mile passes....basically new
Ported valve seat pockets, multi angle valve job, springs shimmed to kiggly spec for 135lb of seat pressure, deck surface for MLS.
Supertech Nitride coated Stainless 1mm oversize undercut valves ($320)
Kiggly Racing Race-Only high pressure springs & Titanium retainers with shimming to exact spec ($400)
Stainless exhaust manifold stud/nut kit. New stem seals & new bronze guides on intake side at this last 04/21 refresh.
This head is "bolt on ready" to go run 8's and rev past 10k.
We will be breaking the racecar down between 4-22 and 4-27, it will take a few days, so items may not ship till ~ 4/27. Priority will be given to "easy to pull/clean/package" items that are sold first.