Best Metric Flange Bolts For LS Engines

Are you looking for the best metric flange bolts for LS engines?
Here are strong, reliable bolts that make your engine setup feel secure and smooth.

Strong metric flange bolts can make your LS engine setup feel smooth and safe. Good hardware gives you peace of mind every time you work.

You feel the difference right away. The bolts stay tight. The engine feels steady. The job goes fast.

You trust each bolt, each thread, each fit. You know your engine is secure. You know you chose well.

List of Top 10 Metric Flange Bolts For LS Engines

Title	Best For	Price
GSTP 12pc Engine Stand Bolt Kit Stand Bolt Flange Compatible with LSX LS LS1 4.8L 5.3L 6.0L 6.2L LR4 LQ4 LS6 LQ9 L33 LS2 LH6 L92 L76 LY2 LY5 LY6 LC9 LFA LH8 LMG	This kit is perfect for engine builders and garage pros who want strong, simple, and safe bolts for their LS engines. It’s great for anyone who needs reliable hardware that makes work fast and easy.	View on Amazon (paid link)
12 PCS Engine Stand Bolt Kit – M10-1.5 Stand Bolt Flange Compatible with LSX LS LS1 4.8L 5.3L 6.0L 6.2L LR4 LQ4 LS6 LQ9 L33 LS2 LH6 L92 L76 LY2 LY5 LY6 LC9 LFA LH8 LMG Engine Bracket Kit	This kit is perfect for LS engine builders who want strong, simple, and reliable bolts. It also suits anyone who needs secure mounting during an engine swap or rebuild.	View on Amazon (paid link)
12 PCS LS Engine Stand Bolt Kit M10-1.5 Engine Stand Bolt Flange Kit Fit for LSX LS LS1 4.8L 5.3L 6.0L 6.2L LR4 LQ4 LS6 LQ9 L33 LS2 LH6 L92 L76 LY2 LY5 LY6 LC9 LFA LH8 LMG	This kit is perfect for LS engine fans who want a fast, simple way to mount their motor with strong, rust‑free bolts. It’s great for anyone who works on Chevy engines and needs parts they can trust.	View on Amazon (paid link)
ICT Billet LS Engine Transmission 4L60e Bell Housing Bolts Set Kit T56 LS1 4L80e LS1 LS3 LS2 LQ4 LQ9 LS6 L92 L99 L33 LR4 L82 L83 L84 L86 L87 LT1 L8B 551652	This set is perfect for anyone who wants strong, reliable bolts for an LS engine build. It suits people who need high‑strength, long‑lasting hardware they can trust.	View on Amazon (paid link)
12PC Engine Stand Flange Bolt Kit, M10-1.5 Compatible with LS LS1 LS3 LSX 4.8L 5.3L 6.0L 6.2L LR4 LQ4 LS6 L92 L76 LY2 LC9 LFA LH8 LMG	This kit is perfect for LS engine builders and garage pros who want strong, simple, and safe bolt support. It also suits anyone who needs quick, steady, and rust‑free hardware for LS engine stand work.	View on Amazon (paid link)
Wllead LS Engine Stand Bolt Kit, M10-1.5 Engine Stand Bolt Flange Kit	This kit is perfect for LS engine builders and garage pros who want strong, simple, and rust‑resistant bolts that make engine mounting fast and smooth. It’s great for anyone who needs reliable hardware that holds tight every time.	View on Amazon (paid link)
12 Pcs Engine Stand Bolt Kit,M10-1.5 Engine Stand Bolt Flange Kit	This kit is perfect for engine builders, mechanics, and anyone who works on LS-series engines and needs strong, reliable bolts. It’s great for people who want a simple, fast, and secure way to mount their engine.	View on Amazon (paid link)
12 Pcs 551652 Bell Housing Bolts Set Kit Compatible with LS/LT Engine Transmission 4L60e T56 LS1 Also fits 4L80e LS1 LS2 LS3 LS6 LQ4 LQ9 L33 LR4 L82 L83 10.9 Carbon Steel and Zinc Coated	This set is perfect for mechanics and DIY car fans who want strong, reliable bolts for their LS or LT engine. It’s great for anyone who needs tough, rust‑resistant hardware that installs fast and holds tight.	View on Amazon (paid link)
Besitu 280Pcs Metric Flange Bolt Assortment, M6x1.0, M8x1.25, M10x1.5 (12mm to 30mm) Assorted Hex Bolts and Nuts Washers Kit for Automotive, 10.9 Black Zinc Galvanized	This kit is perfect for DIY fans, auto techs, and anyone who wants strong, ready-to-use metric bolts on hand. It’s great for people who want fast, simple fixes without extra trips to the store.	View on Amazon (paid link)
Moroso 38804 LS Engine Bellhousing Bolt Kit, 4l60E 4L80E T56 LS1 LS2 LS3 LS6 LQ4 LQ9 L92 L99	This kit is perfect for anyone building or rebuilding an LS engine who wants strong, simple, and reliable hardware. It’s great for people who want to skip the guesswork and get their project done fast.	View on Amazon (paid link)

Detailed Reviews

This guide brings you the best metric flange bolts for LS engines with clear, trusted insight. Each pick is chosen through expert review and real user experience to help you feel sure about your choice. The simple breakdown keeps you curious and ready to explore the top options ahead.

1. GSTP 12pc Engine Stand Bolt Kit Stand Bolt Flange Compatible with LSX LS LS1 4.8L 5.3L 6.0L 6.2L LR4 LQ4 LS6 LQ9 L33 LS2 LH6 L92 L76 LY2 LY5 LY6 LC9 LFA LH8 LMG

GSTP 12pc Engine Stand Bolt Kit Stand Bolt Flange Compatible with LSX LS LS1 4.8L 5.3L 6.0L 6.2L LR4 LQ4 LS6 LQ9 L33 LS2 LH6 L92 L76 LY2 LY5 LY6 LC9 LFA LH8 LMG

This bolt kit is built for strong, steady hold. Each piece is made to fit your LS engine with ease.

The Grade 10.9 bolts give firm grip. The zinc coat keeps rust away. The threads stay smooth for simple use.

The flange head design means no washers. The fit is clean and fast. The service team helps if you need support.

Pros	Cons
Strong Grade 10.9 bolt power Rust-free zinc coat protection Smooth threads that don’t seize Easy-use flanged heads, no washers Fast support within 24 hours	May not fit all engine stand brands Coating can wear with heavy, long-term use Bolts feel tight for some users during install

Perfect For:

This kit is perfect for engine builders and garage pros who want strong, simple, and safe bolts for their LS engines. It’s great for anyone who needs reliable hardware that makes work fast and easy.

Ready to Purchase?

View Price on Amazon (paid link)

2. 12 PCS Engine Stand Bolt Kit – M10-1.5 Stand Bolt Flange Compatible with LSX LS LS1 4.8L 5.3L 6.0L 6.2L LR4 LQ4 LS6 LQ9 L33 LS2 LH6 L92 L76 LY2 LY5 LY6 LC9 LFA LH8 LMG Engine Bracket Kit

12 PCS Engine Stand Bolt Kit - M10-1.5 Stand Bolt Flange Compatible with LSX LS LS1 4.8L 5.3L 6.0L 6.2L LR4 LQ4 LS6 LQ9 L33 LS2 LH6 L92 L76 LY2 LY5 LY6 LC9 LFA LH8 LMG Engine Bracket Kit

This 12 PCS Engine Stand Bolt Kit gives you strong, simple, and secure mounting. Each bolt is built to hold tight and stay steady.

It fits many LS and LT engines. It keeps your engine parts firm. It makes setup fast.

You get 70mm bolts, 90mm bolts, and washers. The flanged heads stop loose parts. Support is ready if you need help.

Pros	Cons
Fits many engines with ease Strong grade 10.9 bolt build Secure hold for rebuild work Simple kit with all parts Fast support if issues arise	May not fit all custom builds Bolts can feel tight in small spaces Washers may slip during fast installs

Perfect For:

This kit is perfect for LS engine builders who want strong, simple, and reliable bolts. It also suits anyone who needs secure mounting during an engine swap or rebuild.

Ready to Purchase?

View Price on Amazon (paid link)

3. 12 PCS LS Engine Stand Bolt Kit M10-1.5 Engine Stand Bolt Flange Kit Fit for LSX LS LS1 4.8L 5.3L 6.0L 6.2L LR4 LQ4 LS6 LQ9 L33 LS2 LH6 L92 L76 LY2 LY5 LY6 LC9 LFA LH8 LMG

12 PCS LS Engine Stand Bolt Kit M10-1.5 Engine Stand Bolt Flange Kit Fit for LSX LS LS1 4.8L 5.3L 6.0L 6.2L LR4 LQ4 LS6 LQ9 L33 LS2 LH6 L92 L76 LY2 LY5 LY6 LC9 LFA LH8 LMG

This bolt kit gives your LS engine strong, steady support. It fits many Chevy engines with ease. It keeps your setup safe and firm.

The bolts are high‑strength and built to last. They stop rust and keep threads smooth.

You get twelve pieces in this set. Each one is made for a tight hold. Your engine stays secure and ready.

Pros	Cons
Fits many LS and LT engines Works with small and big block Chevy motors Strong grade 10.9 bolts Resists rust and wear Easy setup with full kit	May not fit all custom engine setups Bolts can feel light for heavy-duty builds Washers add steps during quick installs

Perfect For:

This kit is perfect for LS engine fans who want a fast, simple way to mount their motor with strong, rust‑free bolts. It’s great for anyone who works on Chevy engines and needs parts they can trust.

Ready to Purchase?

View Price on Amazon (paid link)

4. ICT Billet LS Engine Transmission 4L60e Bell Housing Bolts Set Kit T56 LS1 4L80e LS1 LS3 LS2 LQ4 LQ9 LS6 L92 L99 L33 LR4 L82 L83 L84 L86 L87 LT1 L8B 551652

ICT Billet LS Engine Transmission 4L60e Bell Housing Bolts Set Kit T56 LS1 4L80e LS1 LS3 LS2 LQ4 LQ9 LS6 L92 L99 L33 LR4 L82 L83 L84 L86 L87 LT1 L8B 551652

This bolt kit gives your LS engine and transmission a strong, tight hold. Each bolt is grade 10.9 and built for heavy duty use.

The zinc coat stops rust. The flange head needs no washer. The metric design fits clean and smooth.

Pros	Cons
Strong grade 10.9 build High strength for tough jobs Zinc coat fights rust Flanged head means no washers Metric design fits right	May not fit all custom setups Bolts feel stiff during first use Zinc coat can show marks over time

Perfect For:

This set is perfect for anyone who wants strong, reliable bolts for an LS engine build. It suits people who need high‑strength, long‑lasting hardware they can trust.

Ready to Purchase?

View Price on Amazon (paid link)

5. 12PC Engine Stand Flange Bolt Kit, M10-1.5 Compatible with LS LS1 LS3 LSX 4.8L 5.3L 6.0L 6.2L LR4 LQ4 LS6 L92 L76 LY2 LC9 LFA LH8 LMG

This bolt kit is strong, simple, and ready to work. Each piece fits clean and tight. Your engine stays safe and steady.

It works with many LS engines. It locks in fast and holds firm.

The steel build adds long life. The zinc finish keeps rust away. The flange head saves time and effort.

Pros	Cons
Strong steel build for steady engine support Zinc finish keeps rust away Fits many LS engines with ease Fast install with flange head design Smooth threads for easy use	May not fit some non‑LS stands Needs tools for tight bolt removal Heavy steel adds extra weight

Perfect For:

This kit is perfect for LS engine builders and garage pros who want strong, simple, and safe bolt support. It also suits anyone who needs quick, steady, and rust‑free hardware for LS engine stand work.

Ready to Purchase?

View Price on Amazon (paid link)

6. Wllead LS Engine Stand Bolt Kit, M10-1.5 Engine Stand Bolt Flange Kit

The Wllead LS Engine Stand Bolt Kit gives you strong, simple hardware you can trust. Each bolt has a clear zinc coat that helps stop rust. The grade 10.9 steel adds solid strength.

These M10-1.5 flange bolts hold tight and stay smooth. The flanged heads mean you do not need washers. The threads stay clean and safe.

You get 4 bolts at 3 inches. You get 4 bolts at 3.5 inches. You get 4 thick washers.

Pros	Cons
Rust-free bolts with zinc coating for long-lasting use. High-strength grade 10.9 bolts for reliable engine support. No washers needed—flanged heads make assembly easy. Complete kit includes all bolts and washers for quick setup.	May not fit all engine stand types Coating can wear with heavy, long-term use Bolt sizes may feel limited for some setups

Perfect For:

This kit is perfect for LS engine builders and garage pros who want strong, simple, and rust‑resistant bolts that make engine mounting fast and smooth. It’s great for anyone who needs reliable hardware that holds tight every time.

Ready to Purchase?

View Price on Amazon (paid link)

7. 12 Pcs Engine Stand Bolt Kit,M10-1.5 Engine Stand Bolt Flange Kit

This bolt kit fits many LS engines. It gives a strong hold. It keeps your setup safe.
Each bolt is high‑strength metal. The finish helps stop rust. The fit stays tight.
You get bolts and washers. The kit is simple to use.

Install is fast. The parts go in with ease.
Help is ready if you need it.

Pros	Cons
Fits many LS engines with ease Strong 10.9-grade bolts for solid hold Resists rust for long life Simple setup for quick install Complete kit with all needed parts	May not fit all engine types Metal finish can show wear over time Bolts may need extra tightening

Perfect For:

This kit is perfect for engine builders, mechanics, and anyone who works on LS-series engines and needs strong, reliable bolts. It’s great for people who want a simple, fast, and secure way to mount their engine.

Ready to Purchase?

View Price on Amazon (paid link)

8. 12 Pcs 551652 Bell Housing Bolts Set Kit Compatible with LS/LT Engine Transmission 4L60e T56 LS1 Also fits 4L80e LS1 LS2 LS3 LS6 LQ4 LQ9 L33 LR4 L82 L83 10.9 Carbon Steel and Zinc Coated

12 Pcs 551652 Bell Housing Bolts Set Kit Compatible with LS/LT Engine Transmission 4L60e T56 LS1 Also fits 4L80e LS1 LS2 LS3 LS6 LQ4 LQ9 L33 LR4 L82 L83 10.9 Carbon Steel and Zinc Coated

This 12-piece bell housing bolts set is perfect for LS/LT engines and 4L60e, T56, and 4L80e transmissions. It also fits LS1, LS2, LS3, and more models. These bolts are made for a wide range of vehicles.

The bolts are crafted from 10.9 carbon steel and zinc-coated for maximum strength and rust protection. They resist wear and tear, ensuring long-lasting performance. No washers are needed for easy installation.

Each kit includes 12 flange bolts for quick replacements. The rust prevention treatment keeps them looking and working great for years.

Pros	Cons
Fits many engines for quick, easy use Strong steel for long, steady hold Resists rust to stay clean and solid Easy install with simple flanged heads Extra bolts give fast backup	May not fit every custom setup Extra bolts might feel like more than you need Zinc coating can show wear over long use

Perfect For:

This set is perfect for mechanics and DIY car fans who want strong, reliable bolts for their LS or LT engine. It’s great for anyone who needs tough, rust‑resistant hardware that installs fast and holds tight.

Ready to Purchase?

View Price on Amazon (paid link)

9. Besitu 280Pcs Metric Flange Bolt Assortment, M6x1.0, M8x1.25, M10x1.5 (12mm to 30mm) Assorted Hex Bolts and Nuts Washers Kit for Automotive, 10.9 Black Zinc Galvanized

Besitu 280Pcs Metric Flange Bolt Assortment, M6x1.0, M8x1.25, M10x1.5 (12mm to 30mm) Assorted Hex Bolts and Nuts Washers Kit for Automotive, 10.9 Black Zinc Galvanized

Besitu’s 280‑piece flange bolt kit gives you strong, simple hardware you can trust. You get metric bolts, nuts, and washers in the most common sizes, all sorted and ready to use. Every piece is fully threaded for a tight, steady hold.

These bolts are made from 10.9 alloy steel with a tough black galvanized finish. They handle high‑torque jobs with ease and save you time and money by keeping all sizes in one clear box.

The parts stay tight. The box stays neat. The kit stays useful.

Pros	Cons
Strong 10.9 alloy steel build Wide mix of metric bolt sizes Fast and easy storage system Great for cars and home projects Neat labeled box for quick picks	May not fit rare or custom bolt sizes Black coating can show marks after heavy use Box gets full if not kept well sorted

Perfect For:

This kit is perfect for DIY fans, auto techs, and anyone who wants strong, ready-to-use metric bolts on hand. It’s great for people who want fast, simple fixes without extra trips to the store.

Ready to Purchase?

View Price on Amazon (paid link)

10. Moroso 38804 LS Engine Bellhousing Bolt Kit, 4l60E 4L80E T56 LS1 LS2 LS3 LS6 LQ4 LQ9 L92 L99

This bolt kit makes your LS build simple. It cuts out the guesswork. It helps you work fast.

Each bolt is Grade 10.9 for strong hold. The flange head design adds smooth, firm grip.

The clear zinc finish keeps each bolt clean. The kit fits many LS engines. It gives you solid, steady power.

Pros	Cons
Easy setup for any LS build Strong Grade 10.9 bolts Flange head design holds tight Clear zinc finish resists wear Cuts out guesswork in engine work	Limited to GM LS engines, not universal. No instructions included, may need expertise. Clear zinc finish may wear off over time.

Perfect For:

This kit is perfect for anyone building or rebuilding an LS engine who wants strong, simple, and reliable hardware. It’s great for people who want to skip the guesswork and get their project done fast.

Ready to Purchase?

View Price on Amazon (paid link)

Buying Guide

Strong bolts make your engine feel safe. Good hardware makes each job smooth. You feel the difference right away.

You want tight hold, clean fit, and steady strength every time you work. The right metric flange bolts make your LS engine feel solid. You turn the wrench, and the hardware responds with calm, firm grip.

Strength Rating: Pick Grade 10.9 bolts for strong, steady hold. They handle high torque with ease. They keep your engine safe under load.
Material Quality: Choose alloy steel for long life. It stays firm under heat. It keeps threads clean and smooth.
Coating Protection: Look for zinc‑coated bolts. The coat stops rust. It keeps each bolt looking clean and working well.
Thread Size: Make sure the bolts match M10‑1.5 threads. This size fits LS engines cleanly. It keeps install fast and simple.
Bolt Length: Pick the right length for your setup. Short bolts grip tight. Long bolts reach deep and stay steady.
Flange Head Design: A flange head removes the need for washers. It saves time. It keeps the fit clean.
Engine Fit Range: Check that the kit fits your LS engine model. A wide fit range gives more use. It keeps your hardware ready for any build.
Kit Count: Choose a kit with enough pieces for your job. More bolts mean more options. It keeps your work smooth.
Ease of Use: Look for smooth threads and clean finish. They make install simple. They help each bolt seat tight.
Support Team: Good brands offer help when needed. It gives peace of mind. It keeps your project moving.