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 SPORTSTER
1972-85 61" CID
 PART #
KB292
 RINGS

2M7003

2 - 1/16

1 - 3/16

 PISTON SIZES:

STD, .010, .020, .030, .040, .050

 HEAD VOLUME N/A
 
BORE

3.188"

 HEAD TYPE

DOME

CYL. HGT.

5.330" 

 ROD LENGTH

7.440"

STROKE

3.812"

 COMP. HGT.

1.182"

 COMP. RATIO

9.0:1

PISTON/PIN WGT.

335/97 grms

 883cc TO 1200cc CONVERSION
XL 1986-PRESENT 74" CID
 PART #
KB272
 RINGS

2M6127

2 - 1/16

1 - 3/16

 PISTON SIZES:

STD, .005, .010, .020, .030, .040

 +12cc HEAD VOLUME
 
BORE

3.498"

 HEAD TYPE

DISH

CYL. HGT.

4.650" 

 ROD LENGTH

6.938"

STROKE

3.812"

 COMP. HGT.

1.210"

 COMP. RATIO

9.0:1

PISTON/PIN WGT.

335/97 grms

 1200cc EVOLUTION XL
1988-PRESENT 74" CID
 PART # KB264
 RINGS

2M6127

2 - 1/16

1 - 3/16

 PISTON SIZES:

STD, .005, .010, .020, .030, .040

 +1.5cc HEAD VOLUME
 
BORE

3.498"

 HEAD TYPE

FLAT

CYL. HGT.

4.650" 

 ROD LENGTH

6.938"

STROKE

3.812"

 COMP. HGT.

1.210"

 COMP. RATIO

9.0:1

PISTON/PIN WGT.

349/97 grms

 EVOLUTION XL
1986-PRESENT 74" CID
 PART # KB295
 RINGS

2M6127

2 - 1/16

1 - 3/16

 PISTON SIZES:

STD, .005, .010, .020, .030, .040

 +1.5cc HEAD VOLUME
 
BORE

3.498"

 HEAD TYPE

FLAT

CYL. HGT.

4.650" 

 ROD LENGTH

6.938"

STROKE

3.812"

 COMP. HGT.

1.210"

 COMP. RATIO

9.0:1

PISTON/PIN WGT.

349/97 grms

 KNUCKLE, PAN, SHOVEL HEAD
FL, FLH, FX 1941-79 74" CID
 PART # KB263
 RINGS

2M6482*

2 - 1/16

1 - 3/16

 PISTON SIZES:

STD, .005, .010, .020, .030, .040, .050, .060*, .070*, .080*

 HEAD VOLUME N/A
 
BORE

3.438"

 HEAD TYPE

DOME

CYL. HGT.

5.330" 

 ROD LENGTH

7.440"

STROKE

3.969"

 COMP. HGT.

1.450"

 COMP. RATIO

8.5:1

PISTON/PIN WGT.

370/97 grms

 SHOVEL HEAD FL, FLH, FX
1980-84 80" CID
 PART # KB288
 RINGS

2M6127

2 - 1/16

1 - 3/16

 PISTON SIZES:

STD, .005, .010, .020, .030, .040

 HEAD VOLUME N/A
 
BORE

3.498"

 HEAD TYPE

DOME

CYL. HGT.

5.330" 

 ROD LENGTH

7.440"

STROKE

4.250"

 COMP. HGT.

1.285"

 COMP. RATIO

8.0:1

PISTON/PIN WGT.

390/97 grms

 SHOVEL HEAD FL, FLH, FX
1980-84 80" CID
 PART # KB297
 RINGS

2M6127

2 - 1/16

1 - 3/16

 PISTON SIZES:

STD, .005, .010, .020, .030, .040

 HEAD VOLUME N/A
 
BORE

3.498"

 HEAD TYPE

DOME

CYL. HGT.

5.330" 

 ROD LENGTH

7.440"

STROKE

4.250"

 COMP. HGT.

1.285"

 COMP. RATIO

9.5:1

PISTON/PIN WGT.

390/97 grms

 1340cc EVOLUTION FL, FLH, FX
1984-PRESENT 80" CID
 PART # KB258
 RINGS

2M6127

2 - 1/16

1 - 3/16

 PISTON SIZES:

STD, .005, .010, .020, .030, .040

 +1.5cc HEAD VOLUME
 
BORE

3.498"

 HEAD TYPE

FLAT

CYL. HGT.

5.550" 

 ROD LENGTH

7.440"

STROKE

4.250"

 COMP. HGT.

1.375"

 COMP. RATIO

8.5:1

PISTON/PIN WGT.

350/97 grms

 1340cc EVOLUTION FL, FLH, FX
1984-PRESENT 80" CID
 PART # KB305
 RINGS

2M6127

2 - 1/16

1 - 3/16

 PISTON SIZES:

STD, .005, .010, .020, .030, .040

 -9cc HEAD VOLUME
 
BORE

3.498"

 HEAD TYPE

DOME

CYL. HGT.

5.550" 

 ROD LENGTH

7.440"

STROKE

4.250"

 COMP. HGT.

1.375"

 COMP. RATIO

9.5:1

PISTON/PIN WGT.

360/97 grms

 1340cc EVOLUTION FL, FLH, FX
1984-PRESENT 80" CID
 PART # KB266
 RINGS

2M6127

2 - 1/16

1 - 3/16

 PISTON SIZES:

STD, .005, .010, .020, .030, .040

 -18cc HEAD VOLUME
 
BORE

3.498"

 HEAD TYPE

DOME

CYL. HGT.

5.550" 

 ROD LENGTH

7.440"

STROKE

4.250"

 COMP. HGT.

1.375"

 COMP. RATIO

10.5:1

PISTON/PIN WGT.

360/97 grms

EVOLUTION BIG TWIN
1984-PRESENT 88" CID
 PART # KB293
 RINGS

2M5721

2 - 1/16

1 - 3/16

 PISTON SIZES:

STD, .005, .010, .020, .030, .040

 +1.5cc HEAD VOLUME
 
BORE

3.625"

 HEAD TYPE

FLAT

CYL. HGT.

5.550" 

 ROD LENGTH

7.440"

STROKE

4.250"

 COMP. HGT.

1.375"

 COMP. RATIO

10.0:1

PISTON/PIN WGT.

380/97 grms

SHOVEL HEAD
1948-84 88"-98" CID
 PART # KB294
 RINGS

2M5721

2 - 1/16

1 - 3/16

 PISTON SIZES:

STD, .005, .010, .020, .030, .040

 HEAD VOLUME N/A
 
BORE

3.625"

 HEAD TYPE

DOME

CYL. HGT.

5.330-5.550" 

 ROD LENGTH

7.440"

STROKE

4.250-4.750"

 COMP. HGT.

1.285"

 COMP. RATIO

10.0:1

PISTON/PIN WGT.

357/97 grms

EVOLUTION BIG TWIN
1984-PRESENT 93"-98" CID
 PART # KB298
 RINGS

2M5721

2 - 1/16

1 - 3/16

 PISTON SIZES:

STD, .005, .010, .020, .030, .040

 +1.5cc HEAD VOLUME
 
BORE

3.625"

 HEAD TYPE

FLAT

CYL. HGT.

5.550-5.625" 

 ROD LENGTH

7.440"

STROKE

4.625-4.750"

 COMP. HGT.

1.285"

 COMP. RATIO

10.0:1

PISTON/PIN WGT.

357/97 grms

EVOLUTION BIG TWIN

1984-PRESENT 98"- UP CID

 PART # KB299
 RINGS
 PISTON SIZES:

STD, .005, .010, .020, .030, .040

 +1.5cc HEAD VOLUME
 
BORE

3.812"

 HEAD TYPE

FLAT

CYL. HGT.

5.550" 

 ROD LENGTH

7.440"

STROKE

4.250"

 COMP. HGT.

1.375"

 COMP. RATIO

10.0:1

PISTON/PIN WGT.

/97 grms

EVOLUTION BIG TWIN

1984-PRESENT 98"- UP CID

 PART # KB300
 RINGS
 PISTON SIZES:

STD, .005, .010, .020, .030, .040

 +1.5cc HEAD VOLUME
 
BORE

3.812"

 HEAD TYPE

FLAT

CYL. HGT.

5.550"-UP 

 ROD LENGTH

7.440"

STROKE

4.625-4.750"

 COMP. HGT.

1.210"

 COMP. RATIO

10.0:1

PISTON/PIN WGT.

/97 grms


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