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SHORT BLOCK CHARLIE’S
PRECISION MACHINING FOR HARLEY-DAVIDSON MOTORCYCLES
2015 East 5th Street, Suite 18 | Tempe, AZ 85281
Customer-Designed Seat Profiles
Design your own valve seat profile. We are the first company in the motorcycle industry to offer this service. This service is for both the cylinder head designer and you to design your own valve seat profile. After you design your seat, we will program your seat profile and e-mail it back for your approval. It should be noted that with this service we must use a brand new valve seat to machine your profile.
INFORMATION NEEDED
NOTE: Information can be in either inches or mm.
Intake Seats
•Intake Valve Diameter
•Seat Contact on Valve
•Valve Guide Diameter
•Valve Throat Diameter
Exhaust Seats
•Exhaust Valve Diameter
•Seat Contact on Valve
•Valve Guide Diameter
•Valve Throat Diameter
All Seats
•Valve seat contact angle
VALVE PROFILE PARAMETERS
1.You have 99 segments to use, which include both angles and radiuses.
2.Total length of the profile is 2 inches.
NOTE: You can also design the valve seat throat and combustion chamber area.

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2015 East 5th Street #18, Tempe, AZ 85281 1-800-597-0922
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