This short block built in the Custom Kit EX 4.0L. And, it puts in the cylinder liner for expansion cylinder. We assembled the short-block by the most suitable clearances which has safe margin on the high revolution.
COMP.RATIO: 8.8 : 1 (gkt=0.7mm)
Piston: JUN Forged Al (4.0L Kit)
Rod: JUN I-Beam (4.0L Kit)
Crankshaft: JUN Billet (4.0L Kit)