Dynoman Performance - Austin Texas - Motorcycle Racing Parts


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HEAD gaskets  |  BASE gaskets  |  gasket SETS 

CYLINDER HEAD GASKETS
For CB750 SOHC 1969-78 K&F - Made in the U.S.A.
Updated 9/14/2022

BORE SIZES:

750cc  |  811-836cc  |  890cc  |  915cc  |  970cc  |  1000cc  |  1055cc  |  1080cc

GASKET MATERIALS:

CFM-20 COPPER MLS
CFM-20 head gaskets are the perfect replacement gaskets for your ride. These gaskets are produced from a high quality perforated steel core that has an elastomer surface. This construction allows heat to be drawn evenly across the surface, providing maximum sealing characteristics.

Fiber laminate, tanged and galvanized steel core. An asbestos-free soft material compound containing aramid fibers, inorganic fillers, and high-grade binder elastomers applied to both sides of the core.

All CFM20 head gaskets feature large oil return holes.

Great for street and some racing applications.

Available thickness: .043", .059"

Made in the USA

Suggested Retail $59.34
DP Price $49.95

Dead Soft Copper

Recommended primarily for racing applications. Copper gaskets are now available by special order, please allow 2 to 6 weeks production time

Available thickness:
.027", .032", .043", .050"

Made in the USA 

 

Suggested Retail $62.50
DP Price $29.95*

*Discontinued item,
price good while supplies last

MLS stands for Multi-Layer Steel. MLS head gaskets are comprised of three layers of stainless steel. The outer layers are an embossed Viton coated stainless steel providing a superior seal with excellent rebound characteristics and are corrosive resistant. A very fine surface finish is required for use more details
All MLS head gaskets feature large oil return holes.

Available thickness .030" .040"  .060"

Made in the USA




Suggested Retail $95.80
DP Price $64.95

750 - Stock bore 736cc HEAD GASKETS
Up to 62mm
     GASKET MATERIAL THICKNESS PART # ORDER
    Multi Layer Steel (MLS) - please see notes before ordering  $64.95
    Featuring large oil return holes. Designed and manufactured in the USA
MLS head gasket MLS head gasket MLS head gasket .030" DP H-736-MLS030
For 69-78 CB750 F&K .040" DP H-736-MLS040
    CFM-20 -  $49.95 
    Featuring large oil return holes. Designed and manufactured in the USA
CB750 SOHC Head Gasket at Dynoman  .043" DP H-736-CFM043
  .059" DP H-736-CFM059
    Copper - $29.95
     Made in the USA
  .050" DP H-736-COP050

BASE GASKETS here >>

     
811-836cc  HEAD GASKETS
approx 65mm bore size
     GASKET MATERIAL THICKNESS PART # ORDER
     Multi Layer Steel (MLS) - please see notes before ordering   $64.95
    Featuring large oil return holes. Designed and manufactured in the USA
For 69-78 CB750 F&K .030" DP H-836-MLS030
MLS head gasket MLS head gasket MLS head gasket .040" DP H-836-MLS040
  .060" DP H-836-MLS060
$99.95 (extra thickness)
     CFM-20 -  $49.95
         Featuring large oil return holes. Designed and manufactured in the USA
CB750 SOHC Head Gasket at Dynoman  .043" DP H-836-CFM043
(C8001)
  .059" DP H-836-CFM059


BASE GASKETS here >>

     
890cc  HEAD GASKETS
approx bore size 67mm
     GASKET MATERIAL THICKNESS PART # ORDER
     Multi Layer Steel (MLS) - please see notes before ordering    $64.95
    Featuring large oil return holes. Designed and manufactured in the USA
For 69-78 CB750 F&K .030" DP H-890-MLS030
MLS head gasket MLS head gasket MLS head gasket .040" DP H-890-MLS040
     CFM-20 -  $49.95
         Featuring large oil return holes. Designed and manufactured in the USA
CB750 SOHC Head Gasket at Dynoman  .043" DP H-890-CFM043
       



BASE GASKETS here >>

915cc  HEAD GASKETS
approx bore size 68mm
     GASKET MATERIAL THICKNESS PART # ORDER
     Multi Layer Steel (MLS) - please see notes before ordering    $64.95
    Featuring large oil return holes. Designed and manufactured in the USA
For 69-78 CB750 F&K .030" DP H-915-MLS030
MLS head gasket MLS head gasket MLS head gasket .040" DP H-915-MLS040

     CFM-20 - $49.95
         Featuring large oil return holes. Designed and manufactured in the USA
CB750 SOHC Head Gasket at Dynoman  .043" DP H-915-CFM043
(C8002)
       
     Copper -  $29.95
     Made in the USA
  .050 DP H-915-COP050

BASE GASKETS here >>

     
970cc  HEAD GASKETS
approx bore size 70mm
     GASKET MATERIAL THICKNESS PART # ORDER
     CFM-20 -  $49.95
         Featuring large oil return holes. Designed and manufactured in the USA
CB750 SOHC Head Gasket at Dynoman  .043" DP H-970-CFM043
    Multi Layer Steel (MLS) -  $39.95 to $64.95      
    Featuring large oil return holes. Designed and manufactured in the USA
  .030" DP H-970-MLS030
Special Price $39.95
MLS head gasket MLS head gasket MLS head gasket .040" DP H-970-MLS040
       
 

BASE GASKETS here >>

 

   
1000cc  HEAD GASKETS
approx bore size 72mm
     GASKET MATERIAL THICKNESS PART # ORDER
    Multi Layer Steel (MLS) - please see notes before ordering    $64.95
    Featuring large oil return holes. Designed and manufactured in the USA
For 69-76 CB750 F&K .030" DP H-1000-MLS030
MLS head gasket MLS head gasket MLS head gasket .040" DP H-1000-MLS040
     CFM-20 - $49.95
         Featuring large oil return holes. Designed and manufactured in the USA
CB750 SOHC Head Gasket at Dynoman  .043" DP H-1000-CFM043
       
 BASE GASKETS here >>

     
1055cc  HEAD GASKETS
approx bore size 73mm     please allow 10 days to ship this special order size
     GASKET MATERIAL THICKNESS PART # ORDER
    Multi Layer Steel (MLS) - please see notes before ordering    $64.95
    Featuring large oil return holes. Designed and manufactured in the USA
For 69-76 CB750 F&K .030" DP H-1055-MLS030
  .040" DP H-1055-MLS040
     CFM-20 - $49.95
         Featuring large oil return holes. Designed and manufactured in the USA
CB750 SOHC Head Gasket at Dynoman  .043" DP H-1055-CFM043
       
 

BASE GASKETS here >>

 

   

 

1080cc  HEAD GASKETS
approx bore size 74mm

Please contact us for ordering information on 1080cc head gaskets.

 

MLS GASKETS
If you're wondering if MLS is right for you, please email us after reading the information below!

MLS stands for Multi-Layer Steel. MLS head gaskets are comprised of three layers of stainless steel. The outer layers are an embossed viton coated stainless steel providing a superior seal with excellent rebound characteristics and are corrosive resistant. MLS head gaskets reduce bore distortion and withstand extreme cylinder pressures.

Cometic Multi-Layer Steel (MLS) head gaskets go on dry because they are coated with a sealant. Each MLS head gasket is coated with a .001" thick viton rubber that is bonded to the outer stainless steel layers. Adding an additional sealer can hinder the performance of an MLS head gasket.

MLS head gaskets require smooth, flat and true head and deck surfaces to seal. Most of the time with o-ring setups the wire and groove fall where our gasket’s combustion seal is located; therefore, the wire will hold the gasket and not allow proper compression while the receiver grooves allow combustion gases to escape.

A surface finish of 50 RA (roughness average) or finer, is recommended for a proper gasket seal. Anything rougher may conflict with the gasket design.

When using MLS head gaskets always refer to the manufacturer of the fastener to determine accurate torque values

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 
 
 
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