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Cometic C9721-051 MLS Head Gasket Kit 3.875" Bore .051" Harley Twin Cam

(Harley-Davidson FLHX Street Glide 2011-16, FLTRX Road Glide 2015-16, FLHXS Street Glide Special 2014-16, FLSTF Fat Boy 2011-17 + 37 more models)

Manufacturer

Picture for manufacturer Cometic

Part Number

C9721-051
7 reviews
Sale Price

$39.67

Estimated ship date Friday, November 27

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Product Details

The Cometic C9721-051 is a premium Multi-Layer Steel (MLS) head gasket kit engineered for Harley-Davidson Twin Cam engines. Featuring a 3.875-inch bore diameter and .051-inch compressed thickness, this gasket delivers superior sealing performance and durability for high-performance and heavy-duty applications.

Key Features:

  • Multi-Layer Steel (MLS) construction for maximum strength and reliability
  • 3.875-inch bore diameter for proper cylinder sealing
  • .051-inch compressed gasket thickness
  • Designed specifically for Harley-Davidson Twin Cam engines
  • Complete head gasket kit includes all necessary gaskets for top-end rebuild
  • Exceeds OEM specifications for performance and longevity
  • Ideal for stock rebuilds, performance builds, and high-compression applications

Cometic gaskets utilize advanced materials and manufacturing processes to provide exceptional resistance to extreme cylinder pressures and temperatures. The MLS design features multiple layers of stainless steel with elastomeric coatings that conform to sealing surfaces, ensuring leak-free operation even in demanding conditions.

Products specifications

Fits

Harley-Davidson FLHX Street Glide 2011-16, FLTRX Road Glide 2015-16, FLHXS Street Glide Special 2014-16, FLSTF Fat Boy 2011-17, FLHTCU Electra Glide Ultra Classic 2012-16, FLHR Road King 2012-16, FLTRXS Road Glide Special 2015-16 + 34 more models

Nice and easy.

Easy order process

Great service

They had exactly what I was looking for at the best price so I went ahead and made the order which I don't regret. They shipped out my order the very next day and received it in about 3 days. Can't comment on the durability yet because I still haven't installed my new Megan Racing muffler. I'll give an update. But I do recommend this site.

Easy to order

I received a 20 % off my next order email after my first purchase. I went to use it on my second purchase and could not find it. I called customer service, but they could not locate it either. Associate gave me $15.00 off a 211.00 purchase which was nice but not the $41.00 I would have received with 20% off. Still a good value. Thanks

It was great! I found what I was looking for on your website and it was the best price anywhere online so I purchased it. I received it within a few days

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