New to Powersport Superstore? Try our Year-Make-Model search and find the right parts for your ride by clicking "My Garage" on the upper-right! ➡

Engine - Gaskets & Seals - Head Gaskets

226 products
Seal the deal with precision-fit gaskets designed for leak-free power.
Brand Show all Brand
Vehicle Type Show all Vehicle Type
Price
  • -
Show all Price
Vehicle Fitment Combos Show all Vehicle Fitment Combos
22% Off
Cometic Gasket C10219 Engine/Trans Gasket Kit - .040in. Headgasket - 4.075in.
$188.42
$188.42
$240.40
At Cometic Gasket, our goal is to offer the latest in gasket technology. Materials, manufacturing processes and gasket designs are constantly improving to match the higher level of performance for ...
21% Off
Cometic Gasket C10221 Engine/Trans Gasket Kit - .040in. Headgasket - 4.185in.
$188.42
$188.42
$238.10
At Cometic Gasket, our goal is to offer the latest in gasket technology. Materials, manufacturing processes and gasket designs are constantly improving to match the higher level of performance for ...
15% Off
Cometic Gasket C10193-HB-027-014 Cylinder Head/Base Gasket Kit - .027in. (.014in. Base) - 4.500in. Bore
$67.74
$67.74
$79.36
Liquid-Cooled Head. Material: MLS. Kits feature Multi-Layer Steel (MLS) gaskets; feature two outer Viton-coated embossed spring steel layers with an inner steel layer to provide additional support...
24% Off
Cometic Gasket C10220-030 Engine/Trans Gasket Kit - .030in. Headgasket - 4.125in.
$181.99
$181.99
$238.10
At Cometic Gasket, our goal is to offer the latest in gasket technology. Materials, manufacturing processes and gasket designs are constantly improving to match the higher level of performance for ...
Cometic Gasket C9609 Head Gasket - Copper - 4.0in. Bore - .043in.
$44.49
$44.49
High-quality products for long-term reliability. Manufactured from premium fuel-resistant materials that will not creep, crack or become brittle. MLS (Mutli-Layer Steel) head gaskets promote an eve...
7% Off
Cometic Gasket C9070-040 Head Gasket 4.060in. Bore .040in.
$55.34
$55.34
$59.50
Provide maximum sealing performance for todays high output engines and require no sealants. Ideal for aluminum heads to aluminum blocks and aluminum heads to cast iron blocks withstanding the shear...
10% Off
Cometic Gasket C9076-040 Head Gasket - MLS - 4.250in. Bore .040in.
$53.45
$53.45
$59.50
Multi-Layer Steel (MLS) gaskets feature two outer Viton-coated embossed spring steel layers with an inner steel layer to provide additional support. High-quality products for long-term reliability...
4% Off
Cometic Gasket C9691 Head Gasket - MLS - 3 5/8in Bore - .040in
$59.47
$59.47
$61.90
Multi-Layer Steel (MLS) gaskets feature two outer Viton-coated embossed spring steel layers with an inner steel layer to provide additional support. Sold in packs of 2. H-D #16773-85S. High-qualit...
7% Off
Cometic Gasket C9726 Head Gasket - MLS - 4in Bore - .040in
$57.44
$57.44
$61.90
Multi-Layer Steel (MLS) gaskets feature two outer Viton-coated embossed spring steel layers with an inner steel layer to provide additional support. Sold in 2 pack. High-quality products for long-...
7% Off
Cometic Gasket C9690 Cylinder Head Gasket(10)
$57.44
$57.44
$61.90
3 5/8in. Bore. Qty 10. High-quality products for long term reliability. Manufactured from premium fuel-resistant materials that will not creep, crack or become brittle.Vehicle Fitment:1984-1985 Ha...
7% Off
Cometic Gasket C9688 Head Gasket - MLS - Standard Bore - .030in
$57.44
$57.44
$61.90
Sold in packs of 2 OEM #16773-85X. High-quality products for long-term reliability. Manufactured from premium fuel-resistant materials that will not creep, crack or become brittle. MLS (Mutli-Laye...
7% Off
Cometic Gasket C9694 Head Gasket - MLS - 3 3/4in - .030in
$57.44
$57.44
$61.90
Sold in packs of 2. High-quality products for long-term reliability. Manufactured from premium fuel-resistant materials that will not creep, crack or become brittle. MLS (Mutli-Layer Steel) head g...
7% Off
Cometic Gasket C9725 Head Gasket - MLS - 4in Bore - .030in
$57.44
$57.44
$61.90
Sold in 2 pack. High-quality products for long-term reliability. Manufactured from premium fuel-resistant materials that will not creep, crack or become brittle. MLS (Mutli-Layer Steel) head gaske...
7% Off
Cometic Gasket C9743 Head Gasket - MLS - 4.125in Bore - .040in
$57.44
$57.44
$61.90
Sold in packs of 2. High-quality products for long-term reliability. Manufactured from premium fuel-resistant materials that will not creep, crack or become brittle. MLS (Mutli-Layer Steel) head g...
7% Off
Cometic Gasket C9721 Cylinder Head Gasket(10)
$57.44
$57.44
$61.90
3 7/8in. Bore. Qty 10. High-quality products for long term reliability. Manufactured from premium fuel-resistant materials that will not creep, crack or become brittle.Vehicle Fitment:2012-2016 Ha...
7% Off
Cometic Gasket C9984 Head Gaskets - Stock Bore - MLS - .040in.
$57.44
$57.44
$61.90
Multi-Layer Steel (MLS) gaskets feature two outer Viton-coated embossed spring steel layers with an inner steel layer to provide additional support. 1 Pair. H-D #16770-66. High-quality products fo...
James Gasket 16770-48-X Cylinder Head Gasket - .045in. with Fire-Ring
$55.69
$55.69
Sold in pair. All are top-quality Genuine James gaskets, seals and O-rings. Made in the USA.Vehicle Fitment:1948-1950 Harley Davidson F 1948-1956 Harley Davidson FL 1953-1956 Harley Davidson FLF 1...
James Gasket 16770-66-X Cylinder Head Gasket - .45in. with Fire-Ring
$47.56
$47.56
Sold in pair. All are top-quality Genuine James gaskets, seals and O-rings. Made in the USA.Vehicle Fitment:1966-1969 Harley Davidson FLFB Electra Glide 1970-1984 Harley Davidson FLH Electra Glide...
Secure, Trusted, and Encrypted

Protected by industry-leading 256-bit SSL encryption and backed by Shopify’s PCI DSS–compliant infrastructure. Every page, click, and transaction is encrypted and monitored for threats — so you can shop with confidence knowing your data stays protected.

Parts for Every Machine

We stock aftermarket parts, gear and accessories for motorcycles, ATVs, UTVs, snowmobiles, personal watercraft, and even performance cars — all backed by expert support and live inventory.

Real-Time Fitment Accuracy

Search by Year, Make, and Model with confidence. Our proprietary vehicle fitment system ensures you’re only shown what fits — no guesswork, no returns — just parts that fit.

Fast, Trackable Shipping

We ship from over 20 U.S. warehouses — often same or next business day. Every order includes tracking and transparent fulfillment updates from start to finish, all processed through a secure, encrypted checkout.

Quick Links

Ride With Us. Stay Connected.

Follow us for real-time fitment updates, gear drops, and pro tips from the garage. No spam, just parts, tech, and news for riders like you.

Your Garage

Add a Vehicle