TJL Performance is working closely with both NHRA pro stock car & motorcycle cylinder head development.
We are now proud to offer this knowledge and technology to subaru heads.
Here is couple of examples:
Stage 1 includes full competition valve job and port and polish. New ferrea valve stem seals.
$1290 (Customer supplies heads)
Stage 2 includes all above + FERREA 1mm bigger intake and exhaust valves, spring locators, stiffer springs, titanium retainers and locks.
+18% increased intake flow, +31% exhaust.
$2350 (Customer supplies heads)
$3550 (With 100% new castings)
PM or call us for more details.
TJL Performance llc.