Chrysler HEMI 426 Specifications

Firing Order


Torque Specs

These specs may not be correct for your application.

Verify your engine specs with a service manual for your year and model, always torque bolts in three equal increments

Bolts or Parts Lube or Sealer Torque to:
Main Caps Engine Oil 100 ft-lbs.
Main Cap Tie Bolts Engine Oil 45 ft-lbs.

If you are using ARP bolts, you MUST use
their specs.  Click Here!

Connecting Rod (7/16 bolts) Engine Oil 75 ft-lbs.
Cylinder Heads

Iron Heads

Aluminum Heads

Engine oil

(blind hole)


(water jacket)


75 ft-lbs.

70 ft-lbs.

Camshaft Cap Screw (Steet HEMI) Thread Locker 40 ft-lbs.
Camshaft Cap Screw (Race HEMI) Thread Locker 75 ft-lbs.
Rocker Shaft brackets Engine Oil 30 ft-lbs.
Oil Pump Engine Oil 35 ft-lbs.
Oil Pan Engine Oil 15 ft-lbs.
Timing Cover Engine Oil 10 ft-lbs.
Intake Manifold

(Cast Iron Heads)

Non- Hardening Sealer
Valve Cover Engine Oil 6 ft-lbs.
Exhaust Manifold Anti-Seize Lubricant 30 ft-lbs.
Spark Plugs No Lube or Sealer 20 ft-lbs.
Flexplate/Flywheel Cap Screws Thread Locker 70 ft-lbs.

(Harmonic Damper)

Engine Oil 135 ft-lbs.

(Transmission to Block)

Engine Oil 50 ft-lbs.