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South Bend Clutch Stage 1 Heavy Duty Clutch Kit for GMC 5.7L 1969-1978, K04505-HD - K04505-HD

If you're looking to give your classic GMC some much-needed clutch love, you’ve landed at the right spot. The K04505-HD South Bend / DXD Racing Clutch Stage 1 Heavy Duty Clutch Kit is designed specifically for the GMC Full Size Jimmy with a 5.7L engine from 1969 to 1978. This isn't just another part; it’s built from years of experience and know-how that runs deep in our family business. We’ve been at this for four generations, and trust me, we know our clutches.

This kit is perfect for those who want a reliable performance upgrade without going overboard. It features a single clutch disc with a diameter of 275mm, made from organic material to give you a smooth engagement. The full-face design means you get a solid grip, whether you're cruising around town or pushing your truck a bit harder. Plus, the sprung hub helps absorb those rough spots in the road, making your drive a lot more enjoyable.

One thing I appreciate about this kit is that it comes with an alignment tool and a pilot bushing made from steel, so you won’t be scrambling for parts when it’s time to install. Just a heads up, though—this kit doesn’t include a flywheel or mounting hardware, so make sure you have those on hand before you dive into the installation.

Here’s a quick rundown of the specs:

  • Clutch Usage: Performance
  • Input Shaft Diameter: 1.13 inches
  • Input Spline Quantity: 26
  • Pressure Plate Style: Diaphragm
  • Throwout Bearing: Standard, included

This clutch kit is built to handle the demands of both daily driving and some spirited weekend fun. It’s a solid option for anyone wanting to keep their classic GMC running smoothly and reliably. So, if you’re ready to upgrade your clutch game, this kit has got your back.

Other Part Numbers:
South Bend #sbcK04505-HD

Proposition 65

⚠ WARNING: Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov

South Bend Banner

Who is South Bend Clutch?

South Bend Clutch is an automotive parts manufacturing company that specializes in creating clutches for a variety of vehicles. They offer parts used for all types of automobiles, trucks, and even industrial applications. Today, they are reckoned as one of the most recognizable brands when it comes to clutches.

A Company You Could Trust

The company’s goal is to give customers a reliable clutch system that won’t easily fail on them and keep their vehicle on the road. South Bend Clutch is a fourth-generation family-owned company that has continued its tradition of providing the best products.

Clutch Experts

South Bend Clutch has been manufacturing clutches for years and has used its experience to create the best clutch out there. South Bend Clutch is SFI approved, meaning that all of their products are of the highest standards and are made to precision with the exact factory measurement. This creates a perfect fit for your vehicle and gives you a hassle-free installation procedure.

Continuous Innovation

South Bend Clutch never stops in searching for new ways on how they could further improve their products. With automotive technology changing ever so quickly, they make sure that they are able to adapt and keep up with the trend.

Purchase South Bend Clutch at Vivid Racing

If you are in search of a replacement part for your clutch that is better than the factory original part, then check out what South Bend Clutch has to offer. To know more about them, visit Vivid Racing and see their list of parts that would fit your specific needs.



South Bend Clutch, Inc. warrants that our clutches are free from defects in workmanship and material under normal use and service. The obligation of South Bend Clutch, Inc,. under the warranty is limited to repair or replacement of the defective product, which fails within 12 months or 12,000 miles. We will not be liable for losses that might be claimed as a result of the failure of any part, nor shall we be liable for damages or injury to any persons or property resulting from the misuses or improper installation of any part subject to this warranty.

Warranty Registration form is NOT for submitting a warranty claim when something happens to your clutch. It must be on file with us within 30 days of purchase. If you have a warranty claim, call the shop directly and talk with our technical dept.

South Bend Clutch, Inc. reserves the right to examine all parts returned for warranty claim to determine whether or not any such part has failed because of a defect in material or workmanship. Our obligation under this warranty shall be limited to repairing, replacing, or crediting, at our discretion, any part found to be defective.

The Limited Warranty will not be valid under the following express conditions:

It is NOT registered within thirty (30) days of purchase.
When purchased by retail customer for less than our MAP price (see Pricing Policy below)
When not installed by a certified mechanic
When flywheel was not replaced with new or resurfaced to specification
Clutches which have been altered, improperly installed, or damaged by accident, negligence or misuse
When transmission fails or has excessive wear

WARRANTY IS NON-TRANSFERRABLE

Products used for High Performance and/or Racing purposes which they were not origianlly engineered for, will not be covered.

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