Looking for the best upgrade starter spacers? Discover durable, precision-engineered options that solve alignment issues, boost performance, and fit seamlessly with Dodge, Ford, Honda, and other models for smooth starts and lasting reliability.
Upgrading your vehicle’s starter spacer can make a big difference in performance and reliability. Whether you’re fixing a problem or boosting power, the right spacer ensures smooth starts every time. Let’s explore the best upgrade starter spacers for your needs.
These spacers are built tough and designed to last. They fit perfectly, solve alignment issues, and work with various engines and transmissions. You’ll find options for Dodge, Ford, and Honda models, each with unique features.
Ready to upgrade your ride? This guide will help you choose the perfect starter spacer for your vehicle. Let’s get started!
List of Top 10 Upgrade Starter Spacers
| Image | Title | Best For | Price |
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NV4500 NV5600 Starter Spacer Kit with Bolts 5 Speed Compatible with Dodge RAM 2500 3500 5.9L Cummins 1994-2002 |
This product is perfect for Dodge Ram 2500/3500 owners with 5.9L Cummins Diesel engines (1994–2002) needing a NV4500 starter to work with an NV5600 6-speed flywheel. It’s ideal for upgrading to a 13-inch flywheel or replacing worn factory spacers with a direct, durable replacement. |
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Bevinsee Starter Spacer Adapter With Bolts Compatible with Dodge RAM 2500 3500 5.9L Cummins 1994-2002 NV5600 NV4500 Black |
This starter spacer adapter is perfect for Dodge RAM 2500 or 3500 owners with a 5.9L Cummins engine from 1994 to 2002. It’s ideal for those upgrading to an NV4500 dual-disc clutch or using a 13-inch flywheel. |
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Starter Spacer Kit with Bolts 5 Speed for Dodge Ram 2500 3500 Cummins 5.9L 1994-2002 |
This Starter Spacer Kit is perfect for Dodge Ram 2500 or 3500 owners with a 5.9L Cummins Diesel engine (non-HO) from 1994 to 2002. It’s ideal for upgrading to a 5-speed starter and NV4500 transmission while using an NV5600 flywheel. |
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6.0L to 6.7L Starter Bolt Conversion Kit for Ford Super Duty/Excursion/Econoline (2003-2010) | Automatic Transmission Upgrade | Direct Fit Starter Hardware Kit (Black) |
This starter bolt conversion kit is perfect for Ford owners who want a reliable upgrade. It’s ideal for 2003-2010 Super Duty, Excursion, and Econoline models with automatic transmissions. |
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PHUOC LOC THO for Honda GX200 Recoil Starter Spacer |
This product is perfect for Honda GX200 engine owners needing a durable replacement part. It ensures easy installation and reliable recoil starter performance with a perfect fit. |
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Starter Spacer Kit with Bolts 5 Speed for Dodge Cummins 5.9L 1994~2002 NV4500 NV5600 |
This Starter Spacer Kit is perfect for Dodge Ram owners with 1994-2002 2500 or 3500 trucks and a 5.9L Cummins Diesel engine. It’s ideal for those upgrading to a 5-speed starter or NV4500 transmission. |
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KINDZA Genuine 28405-ZL0-000ZC Spacer for Honda GX200 Recoil Starter Mounting |
This spacer is perfect for anyone with a Honda GX200 engine who needs a genuine replacement part. It’s easy to install and keeps your recoil starter working smoothly. |
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CASTNOO Starter Spacer Kit Bolts 5 Speed Suitable for Dodge Cummins 5.9L 1994-2002 |
This product is perfect for Dodge Cummins 5.9L owners upgrading to a 5-speed NV4500 or NV5600 flywheel. It’s ideal for truck enthusiasts needing a durable, easy-to-install starter spacer that works with dual-disc setups and 13″ upgrades. |
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Starter Spacer with Bolts Kit 5 Speed Fits for Dodge Cummins 5.9L 1994-2002 Starter Replacement Parts |
This product is perfect for Dodge Cummins 5.9L truck owners (1994-2002) needing a durable starter spacer. It works with NV4500 transmissions and allows mixing 5-speed starters with 6-speed flywheels. Made of strong billet aluminum, it’s easy to install and resists rust. |
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6.0L to 6.7L Starter Bolt Conversion Kit for Ford Super Duty/Excursion/Econoline (2003-2010) | Automatic Transmission Upgrade | Direct Fit Starter Hardware Kit (Silvery) |
This starter bolt conversion kit is perfect for Ford owners who want a reliable upgrade. It’s ideal for 2003-2010 Super Duty, Excursion, and Econoline models with automatic transmissions. |
Detailed Reviews
Discover the top 10 Upgrade Starter Spacers for your vehicle, carefully selected based on expert reviews and customer feedback. Each product is thoroughly evaluated for performance, durability, and value, ensuring you find the perfect fit for your needs. Whether you’re upgrading for better performance or longevity, this guide simplifies your choice with clear, easy-to-understand details. Dive in to find the best starter spacer that matches your requirements and budget.
1. NV4500 NV5600 Starter Spacer Kit with Bolts 5 Speed Compatible with Dodge RAM 2500 3500 5.9L Cummins 1994-2002

The NV4500 NV5600 Starter Spacer Kit is perfect for Dodge Ram 2500 & 3500 trucks with a 5.9L Cummins Diesel engine from 1994 to 2002. It fits only high-output engines, not others.
This kit replaces factory parts like Cummins 3946085 and 3949583. It includes a starter spacer and three bolts. It works with NV4500 and NV5600 transmissions.
The kit lets you use a 13-inch flywheel in older 5-speed trucks. It’s great for dual-disc kits and conversions. Satisfaction guaranteed with a 30-day refund and 12-month warranty.
| Pros | Cons |
|---|---|
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Perfect For:
This product is perfect for Dodge Ram 2500/3500 owners with 5.9L Cummins Diesel engines (1994–2002) needing a NV4500 starter to work with an NV5600 6-speed flywheel. It’s ideal for upgrading to a 13-inch flywheel or replacing worn factory spacers with a direct, durable replacement.
Ready to Purchase?
2. Bevinsee Starter Spacer Adapter With Bolts Compatible with Dodge RAM 2500 3500 5.9L Cummins 1994-2002 NV5600 NV4500 Black

The Bevinsee Starter Spacer Adapter is a must-have for Dodge RAM owners. It’s compatible with 2500 and 3500 models. Works with 5.9L Cummins engines from 1994-2002.
Made from high-quality aluminum, it’s lightweight and sturdy. CNC technology ensures precise fit and accuracy. It’s also rust-resistant for long-lasting use.
This kit allows using the NV4500 starter with an NV5600 flywheel. It’s perfect for upgrades and dual-disc clutches. A direct replacement for the factory plastic spacer.
| Pros | Cons |
|---|---|
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Perfect For:
This starter spacer adapter is perfect for Dodge RAM 2500 or 3500 owners with a 5.9L Cummins engine from 1994 to 2002. It’s ideal for those upgrading to an NV4500 dual-disc clutch or using a 13-inch flywheel.
Ready to Purchase?
3. Starter Spacer Kit with Bolts 5 Speed for Dodge Ram 2500 3500 Cummins 5.9L 1994-2002

The Starter Spacer Kit works with 1994-2002 Dodge Ram 2500/3500 trucks using 5.9L Cummins non-HO engines. It ensures proper fit for 5-speed starters and NV4500 transmissions.
This kit lets you pair a 5-speed starter with an NV5600 6-speed flywheel. It supports 13 upgrades and NV4500 dual discs for better performance.
Direct replacement for Cummins parts 3946085 and 3949583. Made from aircraft-grade billet aluminum with a rustproof finish. Backed by a 12-month warranty and 30-day return guarantee.
| Pros | Cons |
|---|---|
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Perfect For:
This Starter Spacer Kit is perfect for Dodge Ram 2500 or 3500 owners with a 5.9L Cummins Diesel engine (non-HO) from 1994 to 2002. It’s ideal for upgrading to a 5-speed starter and NV4500 transmission while using an NV5600 flywheel.
Ready to Purchase?
4. 6.0L to 6.7L Starter Bolt Conversion Kit for Ford Super Duty/Excursion/Econoline (2003-2010) | Automatic Transmission Upgrade | Direct Fit Starter Hardware Kit (Black)

This starter bolt conversion kit upgrades 6.0L Ford engines to 6.7L in Super Duty, Excursion, and Econoline models (2003-2010). It fits automatic transmissions without drilling, using a pre-machined bronze spacer for perfect alignment.
The M8 Class 10.9 bolt handles 89 ft-lbs of torque for strong starts. Cold weather cranking improves by 30% in freezing temps. A lifetime warranty covers long-term use and corrosion resistance.
| Pros | Cons |
|---|---|
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Perfect For:
This starter bolt conversion kit is perfect for Ford owners who want a reliable upgrade. It’s ideal for 2003-2010 Super Duty, Excursion, and Econoline models with automatic transmissions.
Ready to Purchase?
5. PHUOC LOC THO for Honda GX200 Recoil Starter Spacer

The PHUOC LOC THO Recoil Starter Spacer is made for Honda GX200 engines. It ensures a perfect fit for your recoil starter.
This part boosts durability and performance. It keeps your engine starting reliably every time.
Upgrade your gear with this reliable replacement. Check dimensions and photos for a perfect match.
| Pros | Cons |
|---|---|
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Perfect For:
This product is perfect for Honda GX200 engine owners needing a durable replacement part. It ensures easy installation and reliable recoil starter performance with a perfect fit.
Ready to Purchase?
6. Starter Spacer Kit with Bolts 5 Speed for Dodge Cummins 5.9L 1994~2002 NV4500 NV5600

Starter Spacer Kit with Bolts 5 Speed for Dodge Cummins fits 1994~2002 Dodge Ram 2500/3500 trucks with 5.9L Cummins non-HO engines. It includes one spacer and three mounting bolts to replace parts 3946085 and 3949583. This kit ensures proper starter and ring gear alignment for smooth engine starts.
The spacer allows use of a 5-speed starter with a 6-speed NV5600 flywheel. It prevents starter engagement issues by maintaining correct gear spacing.
Made from high-quality aluminum, the spacer resists corrosion and lasts long. The kit supports easy installation with precise sizing. Backed by a 30-day refund and 12-month warranty, it offers risk-free purchase.
| Pros | Cons |
|---|---|
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Perfect For:
This Starter Spacer Kit is perfect for Dodge Ram owners with 1994-2002 2500 or 3500 trucks and a 5.9L Cummins Diesel engine. It’s ideal for those upgrading to a 5-speed starter or NV4500 transmission.
Ready to Purchase?
7. KINDZA Genuine 28405-ZL0-000ZC Spacer for Honda GX200 Recoil Starter Mounting

This is a genuine spacer for Honda GX200 recoil starters. It ensures proper alignment and secure mounting. The part number is 28405-ZL0-000ZC.
Made for durability, this metal spacer fits Honda GX200 engines. It helps the recoil starter work smoothly and safely.
| Pros | Cons |
|---|---|
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Perfect For:
This spacer is perfect for anyone with a Honda GX200 engine who needs a genuine replacement part. It’s easy to install and keeps your recoil starter working smoothly.
Ready to Purchase?
8. CASTNOO Starter Spacer Kit Bolts 5 Speed Suitable for Dodge Cummins 5.9L 1994-2002

The CASTNOO Starter Spacer Kit is a must-have for Dodge Cummins 5.9L owners. It’s built tough with high-quality CNC billet aluminum. This ensures it’s corrosion-resistant and long-lasting.
This kit works perfectly with 5-speed starters and NV4500 gearboxes. It’s ideal for 13″ upgrades and NV4500 dual discs. Installation is simple—just use 3 bolts to secure the gasket.
Need help? Our customer service is ready to assist. We’ll solve any issues quickly and efficiently.
| Pros | Cons |
|---|---|
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Perfect For:
This product is perfect for Dodge Cummins 5.9L owners upgrading to a 5-speed NV4500 or NV5600 flywheel. It’s ideal for truck enthusiasts needing a durable, easy-to-install starter spacer that works with dual-disc setups and 13″ upgrades.
Ready to Purchase?
9. Starter Spacer with Bolts Kit 5 Speed Fits for Dodge Cummins 5.9L 1994-2002 Starter Replacement Parts

This Starter Spacer Kit fits 1994–2002 Dodge Cummins 5.9L trucks. It lets you use a 5-speed starter with an NV5600 flywheel. Made of strong aluminum, it resists rust and lasts longer.
This upgrade solves gear alignment issues for smoother performance. Easy installation requires just three bolts—no extra tools needed.
| Pros | Cons |
|---|---|
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Perfect For:
This product is perfect for Dodge Cummins 5.9L truck owners (1994-2002) needing a durable starter spacer. It works with NV4500 transmissions and allows mixing 5-speed starters with 6-speed flywheels. Made of strong billet aluminum, it’s easy to install and resists rust.
Ready to Purchase?
10. 6.0L to 6.7L Starter Bolt Conversion Kit for Ford Super Duty/Excursion/Econoline (2003-2010) | Automatic Transmission Upgrade | Direct Fit Starter Hardware Kit (Silvery)

Upgrade your Ford Super Duty, Excursion, or Econoline with this 6.0L to 6.7L starter bolt conversion kit. It’s a direct fit for automatic transmission models from 2003 to 2010.
No drilling, no alignment issues. Pre-machined bronze sleeve ensures perfect fit. High-torque bolt handles tough conditions.
Enjoy 30% faster cranking in cold weather. Lifetime warranty and 24/7 support included for peace of mind.
| Pros | Cons |
|---|---|
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Perfect For:
This starter bolt conversion kit is perfect for Ford owners who want a reliable upgrade. It’s ideal for 2003-2010 Super Duty, Excursion, and Econoline models with automatic transmissions.
Ready to Purchase?
Buying Guide
Upgrading your starter spacer boosts reliability and performance. A quality spacer ensures smooth starts and lasting durability. Choose the right one to match your vehicle’s specs and driving needs.
- Compatibility: Pick a spacer that fits your vehicle’s make, model, and engine. Check if it works with your transmission type, like NV4500 or NV5600 for Dodge trucks. Avoid mismatched parts to prevent costly errors.
- Material Quality: Opt for aircraft-grade aluminum or bronze for corrosion resistance and strength. These materials handle heavy use and harsh conditions better than plastic or low-grade metals.
- Installation Ease: Look for kits that include bolts and require no drilling. Pre-machined parts ensure quick setup without extra tools or modifications.
- Torque and Cold Weather Performance: Choose high-torque bolts (like M8 Class 10.9) for powerful starts. Some kits improve cold-weather cranking by up to 30%, ideal for colder climates.
- Warranty and Support: Prioritize kits with lifetime warranties or at least a 12-month guarantee. Reliable customer service ensures help if issues arise during installation.
- Price vs. Value: Balance cost with features. A slightly pricier spacer made from durable materials may save money long-term versus cheaper, short-lived options.
- OEM vs. Aftermarket: OEM parts (like Honda’s 28405-ZL0-000ZC) match factory specs. Aftermarket kits often offer upgrades, like dual-disc compatibility, for enhanced performance.
- Dimension Accuracy: Verify measurements to ensure proper fit. For Honda GX200 engines, confirm the spacer aligns with your recoil starter’s design.
Match your choice to your vehicle’s needs. Whether upgrading for power or fixing alignment, the right spacer ensures trouble-free starts and lasting reliability.