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23531254 | Detroit Diesel Series 60 Cylinder Head, Remanufactured

Pricing: $3,071.49

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Refundable Core Charge: $500.00


Is your Cylinder Head in it for the long haul?

We all know in order to get a million of miles out of your engine you need to keep your engine cool, well lubricated, and perform regular maintenance. Let one of these slip... and your rig is going to wind up in the shop with you stuck waiting for the repair.

It's no secret that diesel engine parts can cost an arm and a leg. That's where HHP’steps in; we offer premium aftermarket parts at up to 50% off OEM prices. While most believe aftermarket retailers sell cheap parts with zero warranty, packed in a beat-up box from who knows where, HHP is here to kick that stereotype to the curb. HHP provides Cylinder Heads with additional engine cooling properties and a 1-Year Warranty. How's that for an aftermarket part?

Need a little extra proof? Let's talk Cylinder Heads.

  • This cylinder head is remanufactured to OEM specifications stricter than a dad with his daughter's boyfriend, giving you quality and consistency your rig demands.
  • Never overpay with HHP!  You will receive equal or better quality parts than the OE, at a much lower cost.  Giving you extra cash in your pocket!
  • This cylinder head goes through a rigorous remanufacturing process that involves magnafluxing for cracks, fusion welding, an extensive cooling process, grinding, machining, testing, and inspecting.  All of this takes place right here in the USA.  Giving you peace of mind you are not getting some no name junk part.
  • Due to the extensive cooling process, this head will be able to withstand huge pressures and high temperatures while retaining shape.
  • We know horsepower is key to getting the job done!  Make your diesel great again and rebuild horsepower and torque with this remanufactured cylinder head.
  • Get the right part the first time with our on staff ASE certified techs to answer all your questions.


  • (1) Cylinder Head


1 Year Warranty 

OEM Applications

  • 23531254

Technical Data

Detroit Diesel Series 60 Engine Specifications:
Year: 1986-2004
Liter: 11.1
CID: 677
Cylinders: L 6
Bore/Stroke: 5.1180-5.1200", 5.472"
Compression Ratio: 16.0:1
Firing Order: 1-5-3-6-2-4
Comments: 4 Stroke, OHC, Diesel

Cylinder Head Specifications:
New Thickness/Measured At: 6.490-6.501"
Minimum Thickness: 6.460"
Warp Spec.: Length .011", Width .003" Maximum
Surface Finish: 60-120 RA
OHC Camshaft Bore Diameter: 2.7163-2.7178"
Injector Tip Protrusion: +/- .007" from the .100" Offset Gauge Block

Valve Information:
Steam Diameter:
Intake: .3417-.3425"
Exhaust: .3417-.3425"
Intake: 30°
Exhaust: 30°
Intake: .086" Minimum
Exhaust: .094" Minimum
Intake: .055-.071" V/Rec
Exhaust: .055-.071" V/Rec, 2004-> .075-.091" V/Rec
Valve Guide Information:
Guide Height:
Intake: 1.476-1.496"
Exhaust: 1.476-1.496"
Guide Clearance:
Intake: .0025-.0060"
Exhaust: .0025-.0060"
Valve Seal Type:
Intake: POS
Exhaust: POS

Valve Seat Information:
Seat Width:
Intake: .084-.086"
Exhaust: .091-.094"
Seat Angle:
Intake: 15°/ 31°/ 45°
Exhaust: 15°/ 31°/ 45°
Seat Outside Diameter:
Intake: 1.8188-1.8196"
Exhaust: 1.6270-1.6280"
Seat Insert Bore Diameter:
Intake: 1.8157-1.8169"
Exhaust: 1.6244-1.6255"
Seat Insert Bore Depth:
Intake: .4511-.4629"
Exhaust: .4212-.4330"

Intake Valve Lash: .008" Cold
Exhaust Valve Lash: .020" Cold
Lash Adjustment Method: P-80 Pacbrake Lash
Cylinder Head Torque: 1986-2002=185-210#, Sept 2002 & up-220#

Tune-Up Specifications:
Oil Pressure At Idle: 12 Psi minimum
Oil Pressure: 50 Psi at Rated Speed
Intake Valve Lash: .008" Cold
Exhaust Valve Lash: .020" Cold


  • P131482R
  • P131482R
  • SPW
  • New

Shipping Information

  • Item Requires Shipping
  • 380.0 lbs.
  • W23.0000” x H12.0000” x L45.0000”

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