Jeep Cherokee , Wrangler 6cyl 4.0L 1991 - 2004 Complete Cylinder Head # CHR640N Rate_10 To satisfy the demands of

To satisfy the demands of racers

or any TBI or EFI conversion Optional rollover valve available

Amp Draw:21

California EO Approved

1955-1957 Chevy: 265-400

Jeep Cherokee , Wrangler 6cyl 4.0L 1991 - 2004 Complete Cylinder Head # CHR640N Rate_10 To satisfy the demands ofJeep Cherokee , Wrangler 6cyl 4. 0L 1991 2004 Complete Cylinder Head # CHR640N All EQ cylinder heads outperform their competitors! Thicker deck for greater strength Improved design resists cracking Superior port finish for increased flow Water flow redesigned for greater thermal conductivity Hardened exhaust seats CNC machined guides and seats 25 point quality check on every head 3 angle valve finish