LS3 Block Spark Plug Holder (Fits 5/8s hex plugs) - Free 3D Print Model

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GetPoached

Hobby & DIY>Vehicles

IP Report

Print Profile(5)

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X1 Carbon

P1S

P1P

X1E

A1 mini

H2D

H2D Pro

H2S

P2S

H2C

X2D

A2L

0.2mm layer, 2 walls, 15% infill

Designer

7.5 h

1 plate

4.9(45)

LS3 Timing Cover

Designer

46 min

1 plate

5.0(6)

LS3 Oil Pan and Screw on Filter

Designer

1.5 h

1 plate

5.0(4)

LS3 Valley Plate

Designer

32 min

1 plate

5.0(3)

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Open in Bambu Studio

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419

910

855

450

Released

Bill of Materials

Bambu Filaments

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PLA Matte

Description

Scaled LS3 engine block model designed to hold 5/8” hex spark plugs. This detailed replica has been modified from the original design to fit the 5/8” hex plugs commonly found in GM LS engine variants, offering both functionality and style for automotive enthusiasts. The updated design makes it a perfect addition for fans of modern GM performance engines, while still maintaining its appeal as a unique spark plug holder. It will hold the plugs with the ground strap up, making it ideal for reading plug condition and organizing your workspace.

Now Available:
Enhance your build with matching LS3 accessories that expand the display and realism of the spark plug holder:

Cylinder heads
Front timing cover
Rear engine cover
Oil pan with spin-on filter
Valley plate

Each accessory is designed to align seamlessly with the spark plug holder block and can be printed with built-in settings using the provided .3MF files. Whether for garage display, educational use, or LS engine pride, this expanded model offers a clean, detailed representation of a modern small-block powerhouse.

Comment & Rating (79)

@CTBlachford

Print Profile

0.2mm layer, 2 walls, 15% infill

A great design and well-placed supports, could probably do with a.2 nozzle print but .4 took long enough. Had a little bit of trouble with Voxelpla Silver, but it still turned out well

The profile uploader has replied

@GetPoached

Looks really nice! I added a few accessories, the Front and Rear cover, valley plate, and oil pan

@dwskid

Print Profile

0.2mm layer, 2 walls, 15% infill

Other Issues:nowhere close to what it suppose to be very bad

The profile uploader has replied

@GetPoached

I’ve successfully printed this model six times in both PLA and PETG HF without issues. Your photo shows the valley area is solid, which suggests the model may have been sliced incorrectly or modified, as the original design is open. It also appears the print failed before completion, possibly due to a clog, wet filament, or calibration issues. I’m happy to help troubleshoot your print settings or slicing process to ensure the best results. Feel free to reach out!

(Edited)

@dwskid

Replying to @GetPoached :

I will try it again. I'm pretty new so all I did was hit print from my phone. didn't change anything. Thank you

@GetPoached

Replying to @dwskid :

Sounds good, let me know how it turns out!

(Edited)

@Bloccburna3

very nice profile, only had pink available bare with me this is a test print🤣supports come right off

@user_617116502

It's a shame the spark plug numbering is missing, it's really useful in mechanics If you add numbering from 1 to 8, please also include, on another model, double numbering from 1 to 4 with (up) and (bottom) spark plugs for aircraft engines Because aircraft engines use two spark plugs per cylinder Basically there's 1 top (up) and 1 bottom (bottom), 2 up, 2 bottom, 3 up, 3 bottom, 4 up, 4 bottom (We always refer to them in English in aviation because maintenance manuals are in English) Sincerely

(Edited)

Show original

@RandytheRCGuy

Boosted

Print Profile

LS3 Valley Plate

very nice print, love the assembled version!

@Scrinkle

Boosted

Print Profile

0.2mm layer, 2 walls, 15% infill

Very nice I printed a couple for the mechanics I work with they love them

@user_3690277511

Boosted

Print Profile

0.2mm layer, 2 walls, 15% infill

Perfekt.

@anttee

Boosted

Print Profile

0.2mm layer, 2 walls, 15% infill

Thanks! Great job! Printed on X1C

@shepscustomz

Boosted

Print Profile

0.2mm layer, 2 walls, 15% infill

very cool. turned out great

@iwant2partywitu

Boosted

both printed without problem. works excellent.

(Edited)

License

This user content is licensed under a Standard Digital File License.

You shall not share, sub-license, sell, rent, host, transfer, or distribute in any way the digital or 3D printed versions of this object, nor any other derivative work of this object in its digital or physical format (including - but not limited to - remixes of this object, and hosting on other digital platforms). The objects may not be used without permission in any way whatsoever in which you charge money, or collect fees.