K24 completed engine

Permanent digital build record · Issued July 18, 2026

Kingdom Built Motors

ENGINE
PASSPORT

KBM-K24-0001

EngineK24
Displacement2.4L
Build typeStreet Performance Long Block
StatusVerified Build

01 / Identity

Build overview

The permanent identity and intended configuration of this engine.

Engine family
K24
Displacement
2.4L
Configuration
DOHC 16-valve inline-four
Build type
Street Performance Long Block
Build ID
KBM-K24-0001
Completion date
July 18, 2026
Builder
Kingdom Built Motors
Build status
Verified Build
Intended use
Premium street performance and properly calibrated mild-boost applications

02 / Bill of materials

Component specification

Major internal components identified by manufacturer, part number and build-specific notes.

01
Connecting rodsManley · H-Beam connecting rods
Details
ManufacturerManley
Part nameH-Beam connecting rods
Part number14018-4
Specification4340 forged steel, performance fasteners
Builder notes

Big-end sizing and installation verified.

02
Main bearingsKing Racing · XP tri-metal main bearing set
Details
ManufacturerKing Racing
Part nameXP tri-metal main bearing set
Part numberMB5560XP
SpecificationMeasured to KBM fixture range
Builder notes

Oil clearances recorded at every journal.

03
PistonsWiseco · Forged 87.5 mm piston set
Details
ManufacturerWiseco
Part nameForged 87.5 mm piston set
Part numberK542M875
Specification10.5:1 nominal compression, -7 cc dish
Builder notes

Pins fitted and locks visually verified.

03 / Machining

Machine work

Every approved operation tied to a provider, result and date for complete traceability.

Block inspection

KBM

No cracks or thread damage observed

Main saddle alignment and deck condition approved.

Pressure test and valve job

Capital Cylinder Head

Hot pressure and vacuum tests passed

Seat contact centered and recorded.

Cylinder honing

Precision Engine Machine

87.500–87.508 mm; plateau finish

Torque plate installed.

04 / Precision record

Precision measurements

Only the designated accepted reading for each public point is shown; every value is checked against the specification captured with that reading.

9of 9
accepted points passed

Main bearing clearance

5 accepted points
LocationAccepted readingCaptured specificationResult
Main 10.0021 in0.0017-0.0023 inPASS
Main 20.002 in0.0017-0.0023 inPASS
Main 30.002 in0.0017-0.0023 inPASS
Main 40.0019 in0.0017-0.0023 inPASS
Main 50.0021 in0.0017-0.0023 inPASS

Rod bearing clearance

4 accepted points
LocationAccepted readingCaptured specificationResult
Cylinder 10.002 in0.0018-0.0023 inPASS
Cylinder 20.0021 in0.0018-0.0023 inPASS
Cylinder 30.002 in0.0018-0.0023 inPASS
Cylinder 40.0021 in0.0018-0.0023 inPASS

Development fixture values are illustrative KBM-controlled sample data and are not represented as official manufacturer specifications.

05 / Quality gate

Assembly verification

Required assembly controls signed off before the engine advanced to testing.

Block and oil passages cleanedVerified · KBM Lead Builder
Main fasteners torquedVerified · KBM Lead Builder
Rod fasteners torquedVerified · KBM Lead Builder
Cam timing verifiedVerified · KBM Lead Builder
Final engine rotation and visual inspectionVerified · KBM Lead Builder

06 / Validation

Testing & final inspection

Final test results captured before this engine was released as a Verified KBM Build.

PASS
Compression test218 / 220 / 219 / 221 psi
PASS
Oil pressure24 psi hot idle / 76 psi at 4,000 rpm
PASS
Final inspectionApproved by lead builder

08 / Builder record

Builder notes

Customer-facing context recorded by the builder at the time of completion.

Development demonstration record: sample KBM-controlled build data, not a claim about measurements from a customer or production engine. This K24 was assembled as a durable, responsive street long block with documented clearances, ring gaps and valvetrain controls.
KB
Kingdom Built MotorsVerified builder record · 2026-07-18

09 / Ownership

Recommended setup & care

Installation and break-in requirements specific to this completed engine.

01Recommended engine oil+

Break-in: Driven BR30 5W-30; normal service: premium full-synthetic 5W-30.

02Initial startup+

Prime the lubrication system, verify immediate oil pressure and inspect for leaks.

03Break-in procedure+

Use varied load and engine speed; avoid extended idling or steady cruise.

10 / Downloads

Build documentation

Portable records supplied with the permanent online Passport.