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Cometic 99-17 Harley-Davidson Twin Cam 3.937 Top End .030 Head Gasket

Head Gaskets

Cometic 99-17 Harley-Davidson Twin Cam 3.937 Top End .030 Head Gasket

Regular price $147.43
Sale price $147.43 Regular price
Cometic Harley-Davidson 03-Up Twin Cam 1550 T/E w/Hat Valve Seal.040inH/G

Head Gaskets

Cometic Harley-Davidson 03-Up Twin Cam 1550 T/E w/Hat Valve Seal.040inH/G

Regular price $147.46
Sale price $147.46 Regular price
Cometic Harley-Davidson 03-Up Twin Cam Std Bore T/E w/ New Hat Valve Seal

Gasket Kits

Cometic Harley-Davidson 03-Up Twin Cam Std Bore T/E w/ New Hat Valve Seal

Regular price $147.46
Sale price $147.46 Regular price
Cometic Harley-Davidson 1999-17 Twin Cam Lifter Cover Gasket,.031inFiber 10Pk

Valve Cover Gaskets

Cometic Harley-Davidson 1999-17 Twin Cam Lifter Cover Gasket,.031inFiber 10Pk

Regular price $9.00
Sale price $9.00 Regular price
Cometic Harley-Davidson 2007-16 Twin Cam Fl Models Primary & Seal Kit Complete

Gasket Kits

Cometic Harley-Davidson 2007-16 Twin Cam Fl Models Primary & Seal Kit Complete

Regular price $120.35
Sale price $120.35 Regular price
Cometic Harley-Davidson 2007-16, Fl Twin Cam Trans. w/Oil Pan Gasket Rebuild Kit

Gasket Kits

Cometic Harley-Davidson 2007-16, Fl Twin Cam Trans. w/Oil Pan Gasket Rebuild Kit

Regular price $99.53
Sale price $99.53 Regular price
Cometic Harley-Davidson 3.570in Stock Bore EVO .060 Head Gasket (Pair)

Head Gaskets

Cometic Harley-Davidson 3.570in Stock Bore EVO .060 Head Gasket (Pair)

Regular price $88.39
Sale price $88.39 Regular price
Cometic Harley-Davidson 3.875in 1550 Twin Cam .060 Head Gasket

Head Gaskets

Cometic Harley-Davidson 3.875in 1550 Twin Cam .060 Head Gasket

Regular price $88.39
Sale price $88.39 Regular price
Cometic Harley-Davidson 4 1/8in Twin Cam .040 Head Gasket

Head Gaskets

Cometic Harley-Davidson 4 1/8in Twin Cam .040 Head Gasket

Regular price $59.50
Sale price $59.50 Regular price
Cometic Harley-Davidson 88in&96in Twin Cam Rocker Box Rebuild Kit, 1999-17

Gasket Kits

Cometic Harley-Davidson 88in&96in Twin Cam Rocker Box Rebuild Kit, 1999-17

Regular price $43.89
Sale price $43.89 Regular price
Cometic Harley-Davidson Clutch Cover Seal inRubberin 2006-17 Dyna Fxst 2006-16 Fl5 Pk

Gasket Kits

Cometic Harley-Davidson Clutch Cover Seal inRubberin 2006-17 Dyna Fxst 2006-16 Fl5 Pk

Regular price $35.45
Sale price $35.45 Regular price
Cometic Harley-Davidson Engine, Trans Drain Plug All EVO Xl, T/C, M8, 10Pk

Gasket Kits

Cometic Harley-Davidson Engine, Trans Drain Plug All EVO Xl, T/C, M8, 10Pk

Regular price $6.01
Sale price $6.01 Regular price
Cometic Harley-Davidson EVO XL, B/T, T/C, M8 Upper Pushrod Cover O-Ring - 10PK

Head Gaskets

Cometic Harley-Davidson EVO XL, B/T, T/C, M8 Upper Pushrod Cover O-Ring - 10PK

Regular price $13.46
Sale price $13.46 Regular price
Cometic Harley-Davidson EVO, T/C. Hi Perf.Ex Gasket Spiral Wound #01-931 10-Pk

Exhaust Gaskets

Cometic Harley-Davidson EVO, T/C. Hi Perf.Ex Gasket Spiral Wound #01-931 10-Pk

Regular price $98.63
Sale price $98.63 Regular price
Cometic Harley-Davidson Lower Pushrod Cover O-Ring EVO, Xl, B/T, T/C, M8, 25Pk

Gasket Kits

Cometic Harley-Davidson Lower Pushrod Cover O-Ring EVO, Xl, B/T, T/C, M8, 25Pk

Regular price $10.52
Sale price $10.52 Regular price
Cometic Harley-Davidson Mid Push-Rod Tube Cover, Trans Oil Fill O-Ring, T/C, M8, 25Pk

Gasket Kits

Cometic Harley-Davidson Mid Push-Rod Tube Cover, Trans Oil Fill O-Ring, T/C, M8, 25Pk

Regular price $5.19
Sale price $5.19 Regular price
Cometic Harley-Davidson Oil Pump Lower Cover O-Ring 92-98 EVO/Derby Bolt Oring T/C

Gasket Kits

Cometic Harley-Davidson Oil Pump Lower Cover O-Ring 92-98 EVO/Derby Bolt Oring T/C

Regular price $5.92
Sale price $5.92 Regular price
Cometic Harley-Davidson Pushrod Tube Oring Seal Set EVO Xl, B/T, T/C, M8

Gasket Kits

Cometic Harley-Davidson Pushrod Tube Oring Seal Set EVO Xl, B/T, T/C, M8

Regular price $5.71
Sale price $5.71 Regular price
Cometic Harley-Davidson T/C 88/96 Cam Service w/ Rocker Box Kit

Gasket Kits

Cometic Harley-Davidson T/C 88/96 Cam Service w/ Rocker Box Kit

Regular price $89.94
Sale price $89.94 Regular price
Cometic Harley-Davidson T/C, M8 Speedo Sensor O-Rin 99-21 ,Xl Models 03-Up, 25 Pck

Gasket Kits

Cometic Harley-Davidson T/C, M8 Speedo Sensor O-Rin 99-21 ,Xl Models 03-Up, 25 Pck

Regular price $5.19
Sale price $5.19 Regular price

About Pure Auto Performance

Pure Auto Performance started with a simple idea: helping people find quality parts they can trust without the stress and confusion that usually comes with upgrading a car. We’re enthusiasts just like you, and we know how much pride goes into every build. Whether it’s improving a daily driver or working on a long-term project, the right part can make your car feel brand new again. That’s why we put care into everything we offer, choosing products that genuinely make a difference on the road.

We also believe car parts should be more than just nice to look at they should last, perform well, and fit the vision each driver has. Some customers prefer clean, subtle upgrades, while others love bold changes that completely transform their vehicle. No matter the style, our goal is to make the process easy, honest, and enjoyable. At Pure Auto Performance, we’re here to support you at every step so you can build a car that feels right for you. This brand is more than a store. It’s a community of people who love driving and want the best for their cars.

1-2 Day Fast Delivery
30 Days Free Returns
Secure Payment
24/7 Customer Support
High Quality Parts