K Series Engine Torque Specifications

General Torque Specifications for the Honda / Acura K-Series (K20 / K24)

Spark Plug Torque Specification

Collapsible row

Spark Plugs

  • 13 ft-lbs. (18 Nm)

Valve Cover Torque Specification

Ignition Coil and Cover

  • 8.7 ft-lbs. (12Nm)

Valve Cover Bolts

  • 8.7 ft-lbs. (12 Nm)

Inspect the cover washers. Replace any washer that is damaged or deteriorated.

Camshaft Torque Specification

Camshaft Cradle/Cap Bolts

8mm bolts

  • 16 ft-lbs. (22 Nm)

6mm bolts - 21, 22, 23

  • 8.7 ft-lbs. (12 Nm)

Valve Lock Nut

  • 14 ft-lbs.

Valve Adjustment Lock Nut

  • 14 ft-lbs. (19 Nm)

Camshaft Gears

Intake Cam Gear

  • 83 ft-lbs. (112 Nm)

Exhaust Cam Gear

  • 51 ft-lbs. (69 Nm)

Camshaft Pulse Plates

Allen

  • 29 ft-lbs.

Cylinder Head Torque Specification

OEM Cylinder Head Bolts

  1. 29 ft/lbs. (39Nm)
  2. 90 degree + 90 degree

For new bolts add one extra 90 deg.

ARP Cylinder Head Bolts

Clean block thread holes until dry.

Only lubricate top nut threads with 10w30 or ARP Molly lubricant.

Torque APR studs to 10 ft-lbs into the block (using 5/16 allen key)

Torque ARP nuts in stages:

  1. 30 ft-lbs. (360 in-lbs.)
  2. 60 ft-lbs. (720 in-lbs.)
  3. 80 ft-lbs. (960 in-lbs.)

Valve Timing Torque Specification

Crankshaft Pulley Bolt

  • 181 ft-lbs. (245Nm)

Timing Chain Cover

  • 8.7 ft-lbs. (12Nm)

Timing Chain Tensioner Bolts

  • 8.7 ft-lbs. (12Nm)

Timing Chain Guide Bolts

Big Bolt (Allen)

  • 16 ft-lbs.

10mm nuts

  • 8.7 ft-lbs.

Flywheel Torque Specification

Flywheel Bolts

  • 87 ft-lbs. (118 Nm)

Clutch Pressure Plate Torque Specification

Pressure Plate Bolts

Torque in stages:

  1. 5 ft-lbs. (60 in-lbs.)
  2. 10 ft-lbs. (120 in-lbs.)
  3. 14 ft-lbs. (168 in-lbs.)
  4. 19 ft-lbs. (228 in-lbs.)

Engine Block Internals Torque Specification

Connecting Rod Bolts

  • 22 ft-lbs. (29Nm) and 90 degree

Main Bearing Cap Bolts

  • 22 ft-lbs. (29 Nm) and 56 degree

Oil Pan Torque Specification

Oil Drain Plug Bolt

RSX-S, FG2/FA5 (K20A2, K20Z1/3)

  • 29 ft-lbs.

EP3, TSX, Accord (K24A, K20A3)

  • 33 ft-lbs.

Oil Filter

  • 8.7 ft-lbs.

Oil Pan Bolts

  • 8.7 ft-lbs.

Transmission Torque Specification

Drain Plug Bolt

(D)

  • 29 ft-lbs. (39 Nm)

Filler Plug Bolt

(A) - 32mm Bolt

  • 33 ft-lbs. (44 Nm)

Flywheel Cover Bolts

  • 8.7 ft-lbs. (12Nm)

Exhaust Torque Specification

Header Manifold Bolts/Nuts

  • 33 ft-lbs.

Oxygen (02) Sensor

  • 33 ft-lbs.