Need help identifying heads
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Stage IV
Joined: Aug 2017
Posts: 4
Likes: 0
From: Cyprus
Need help identifying heads
Hello everyone.
2014 883 superlow. I bought the bike with SE 1200 conversion already on it.
The rear head gasket had failed. I popped the head off and it is stamped as 12C. The part number on the head is punched and only the last 4 digits are visible, which is 77-07.
My dealer is saying 16664-86D is the right head gasket for me. Is this true?
Also any insight on what my heads are will be greatly appreciated.
Thanks in advance.
2014 883 superlow. I bought the bike with SE 1200 conversion already on it.
The rear head gasket had failed. I popped the head off and it is stamped as 12C. The part number on the head is punched and only the last 4 digits are visible, which is 77-07.
My dealer is saying 16664-86D is the right head gasket for me. Is this true?
Also any insight on what my heads are will be greatly appreciated.
Thanks in advance.
Road Warrior
Joined: Jul 2013
Posts: 1,649
Likes: 443
From: Indianapolis
To confirm you have the 1200 conversion measure the diameter of your piston.
3" would be a 883
3 1/2" would be a 1200
16664-86D GASKET, cylinder head (2) XL883L, XL883N, XL883R
That would be the original 883 head gasket NOT what you need,
The SE 883-1200 conversion uses the 1200 head gasket.
16770-84F GASKET, cylinder head (2) XL1200C, XL1200CA, XL1200CB, XL1200CP, XL1200T, XL1200V, XL1200X
Here is a link to the 883-1200 Conversions instructions and kit parts list-
SCREAMIN' EAGLE SPORTSTER CONVERSION KIT - 883CC TO 1200CC
Here is a link to the current 2014 XL Models part list-
2014 Sportster Models Parts Catalog
What you are seeing part number wise on the heads may be a casting number rather than a part number.
The part number for the rear hear from the SE Conversion is Cylinder head, rear 16666-07
16666-07 HEAD, rear cylinder (1200 cc) (LH - black w/ fin highlights), w/ valve guides & seats XL1200C, XL1200CP, XL1200T
17488-07 HEAD, rear cylinder (1200 cc) (LH - black w/o fin highlights), w/ valve guides & seats XL1200CA, XL1200CB, XL1200CP, XL1200X
16500071 HEAD, rear cylinder (1200 cc) (gray), w/ valve guides & seats XL1200V
3" would be a 883
3 1/2" would be a 1200
16664-86D GASKET, cylinder head (2) XL883L, XL883N, XL883R
That would be the original 883 head gasket NOT what you need,
The SE 883-1200 conversion uses the 1200 head gasket.
16770-84F GASKET, cylinder head (2) XL1200C, XL1200CA, XL1200CB, XL1200CP, XL1200T, XL1200V, XL1200X
Here is a link to the 883-1200 Conversions instructions and kit parts list-
SCREAMIN' EAGLE SPORTSTER CONVERSION KIT - 883CC TO 1200CC
Here is a link to the current 2014 XL Models part list-
2014 Sportster Models Parts Catalog
What you are seeing part number wise on the heads may be a casting number rather than a part number.
The part number for the rear hear from the SE Conversion is Cylinder head, rear 16666-07
16666-07 HEAD, rear cylinder (1200 cc) (LH - black w/ fin highlights), w/ valve guides & seats XL1200C, XL1200CP, XL1200T
17488-07 HEAD, rear cylinder (1200 cc) (LH - black w/o fin highlights), w/ valve guides & seats XL1200CA, XL1200CB, XL1200CP, XL1200X
16500071 HEAD, rear cylinder (1200 cc) (gray), w/ valve guides & seats XL1200V
Last edited by shanneba; Jul 15, 2021 at 01:52 PM.
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