Edelbrock 4.0 Aluminum Cylinder Head. Torque!!
Channel: TDmotion conversion kits
Date: 2016-02-11

Fits 87-06 in 6 cylinder jeeps. Nice Hp / Torque Gains from factory. More order details here - 
https://tdmotion.com/product/jeep-cylinder-head/    561-427-8285.  Offered with ARP  Head Bolts. *Suggested for Stroker Engines or used with Power Adders.  Cylinder head replacement by itself will realize marginal gains.