4.0L Head Swap on a Jeep 258 4.2L Engine

What you need to install a HO 4.0L cylinder head on your older Jeep inline-six engine.
Parking Lot Engine Problems at 2016 Moab Easter Jeep Safari

Swapping a 4.0L Into a CJ-7

This new Performer cylinder head is designed as a bolt-on performance upgrade for 1987-2006 Jeeps with a 4.0L inline six cylinder engine. It features

Edelbrock Performer Aluminum Cylinder Head for 76-06 Jeep Vehicles with 4.0/4.2L

Bringing clarity to a complex racing world is the main purpose of ARP automotive racing products. Features. Pro series cylinder head bolts are cold-forged to ensure molecular integrity.

ARP 146-3603 6 Point Head Bolt Kit for Jeep 232-258 6 Cylinder with 4.0L Head

4.0 head and EFI on a 4.2 block - Page 11 - Jeep Strokers

Adapting a 4.2 intake manifold to fit a 4.0 head

232 rebuild questions - The AMC Forum - Page 3

4.2 mini-stroker underway. AMC Blue in homage to its roots. : r

stroked 4.0 yes or no - Jeep Cherokee Forum

Jeep YJ 4.2 to 4.0 engine swap wiring part 1

JEEP AMC Engine 258/4.2L L6 1981-1985

JEEP AMC 258 4 2L L6 1981 1985 Remanufactured Engine

Remanufacturing A 258 AMC Cylinder Head From A 1980s Jeep

Jeep 4L Head Swap on a 4.2L (258)