Best Clutch for a 1974 Chevy 5.7 Dump Truck
If you’re running a 1974 Chevy dump truck with a 5.7L (350 small block) engine, you know how critical a tough, smooth, and dependable clutch is—especially when you’re hauling heavy loads or backing into tight job sites. Whether you’re restoring an old-school workhorse or still using it day-to-day, your clutch must be able to handle torque, terrain, and time.
So, what’s the best clutch for a ‘74 Chevy 5.7 dump truck?
This guide breaks down top-rated clutch kits for strength, durability, and real-world performance, so you can get back to hauling with confidence.
What Makes a Good Clutch for a Dump Truck?
✅ Torque Handling
A 5.7L small block can put down some serious low-end torque, especially with headers, intake upgrades, or towing stress. A quality clutch needs to match that grunt without slipping.
✅ Smooth Engagement
You need a clutch that engages smoothly—no grabbing or sudden jerks—especially important when you’re backing up a loaded bed or navigating tight construction zones.
✅ Heavy-Duty Durability
Dump trucks do more than highway cruising. You want a clutch that stands up to stop-start driving, idling under load, and low-speed crawling on uneven ground.
✅ Drop-In Fitment
The 1974 small block uses an 11” or 12” clutch disc, usually with a 10-spline input shaft (most common with SM465 transmissions). Always confirm fitment with your specific setup.
Best Clutch Kits for 1974 Chevy 5.7 Dump Trucks
1. LuK 04-021 Clutch Kit
(Best OEM-Style Replacement)
Why it’s great:
LuK makes OEM clutches for GM, and this kit is perfect for stock or near-stock trucks. It’s reliable, easy to install, and feels just like factory.
Includes:
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Pressure plate
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Organic full-face clutch disc
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Pilot bearing & throwout bearing
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Alignment tool
Highlights:
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Smooth engagement
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Ideal for trucks with mild use or weekend hauling
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Great price for the quality
Best for: Original 350 dump trucks with no major mods
2. RAM HDX 88794HDX Clutch Kit
(Best for Work Trucks and Towing)
Why it’s great:
RAM’s HDX series is designed specifically for work and tow vehicles that need stronger grip and more clamping pressure than stock.
Specs:
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11” organic disc
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High-clamp load pressure plate
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Handles up to 450 ft-lbs of torque
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Works with stock flywheel
Highlights:
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Strong holding power
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Still daily-driver friendly
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Durable for repeated loads and long idle times
Best for: Dump trucks used for daily hauling, landscaping, or light construction
3. Centerforce II Clutch Kit CF360056
(Best Mid-Level Performance Option)
Why it’s great:
The Centerforce II uses centrifugal weights that increase clamping force with RPM, meaning more grip as engine speed rises—ideal for dump trucks that pull hard from stoplights.
Specs:
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Organic full-face disc
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Patented pressure plate design
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Increased torque capacity with factory pedal feel
Highlights:
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Smooth starts, no chatter
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Good for trucks with headers or mild cam upgrades
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Balanced performance and comfort
Best for: Drivers who want more performance with stock drivability
4. McLeod Street Pro 75105 (Optional Kevlar Upgrade)
(Best for Modified Engines or High Torque)
Why it’s great:
Got a built 350 with a bigger cam, upgraded intake, or headers? McLeod’s Street Pro is designed for mild performance trucks that still need a street-friendly pedal.
Specs:
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Organic or optional Kevlar disc
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Pressure plate built for strength and heat resistance
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Handles 400–500 ft-lbs torque
Highlights:
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Strong grip, no slippage
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Tolerates heavy loads and aggressive driving
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Optional Kevlar lasts longer under load
Best for: Performance-built dump trucks used for towing, plowing, or aggressive use
Quick Comparison Chart
Clutch Kit | Torque Capacity | Best For | Clutch Disc Type | Pedal Feel |
---|---|---|---|---|
LuK 04-021 | ~300 ft-lbs | Stock rebuilds, light use | Organic | OEM smooth |
RAM HDX 88794HDX | ~450 ft-lbs | Towing, job site work, daily abuse | Organic HD | Firm but manageable |
Centerforce II | ~400+ ft-lbs | Mixed use with performance upgrades | Organic (with weights) | Light-to-moderate |
McLeod Street Pro 75105 | ~500 ft-lbs | Modified 350s with serious work duty | Organic or Kevlar | Sporty but usable |
Flywheel & Install Notes
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Most 1974 Chevy 350s use an 11” clutch with a 153- or 168-tooth flywheel.
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Match your clutch to your flywheel diameter and bolt pattern.
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Always resurface or replace the flywheel when installing a new clutch.
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Replace pilot bushing/bearing and throwout bearing to avoid future labor.
Final Thoughts
The best clutch for your 1974 Chevy 5.7 dump truck depends on how you use it:
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For smooth OEM feel and daily work: Go with the LuK 04-021
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For towing and heavy loads: Step up to the RAM HDX
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For torque and mild upgrades: Choose the Centerforce II
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For modified builds that work hard: Go with McLeod Street Pro
Whatever you pick, make sure your installation is clean, components match, and break-in is done right. A good clutch keeps your truck working stronger, longer—and ready to haul whatever comes next.