SECTION 7
KB PERFORMANCE
HYPEREUTECTIC PISTON KITS
Manufactured from high-strength, T-5, heat-treated,
390 hypereutectic aluminum alloy
Allow a tighter fit and longer piston and ring life
Diamond-machined pistons are held to plus or minus
one gram weight and less than one-half-thousandth-
inch (.0005”) tolerances from piston to piston
Each kit contains two pistons, pins, spiral-lock pin clips and Hastings moly rings
0910-0915
Replacement piston rings and pin lock rings available separately
NOTE: KB pistons can be installed tighter than other pistons. This results in less piston rock and better
ring seal. Please read instructions included with piston for correct piston clearance.
NOTE: Due to the thermal conductivity and design of KB pistons,
special attention is required to the top ring end gap. Please read
FOR 84-99 80” EVOLUTION BIG TWIN
instructions furnished with piston for correct ring installation.
10.5: COMP
9.6:1 COMP
8.6:1 COMP
REPLACEMENT
NOTE: Each replacement ring PART # denotes rings for two pistons,
BORE
PISTON #
PISTON #
PISTON #
RINGS #
except 84-99 Big Bore kits and 99-06 88” Twin Cam kits, which
Std. (3.498”)
DS-751247
DS-751265
0910-2016
DS-750830
require two sets.
+.005”
DS-751248
DS-751266
DS-751242
DS-750867
+.010”
DS-751249
DS-751267
DS-751243
DS-750831
FOR 12-17 103” TWIN CAM AND 07-13 96” TWIN CAM BIG BORE 103” (COATED SKIRTS)
+.020”
DS-751250
DS-751268
DS-751244
DS-750832
BORE
10.0:1 COMP PISTON #
REPLACEMENT RINGS #
+.030”
DS-751251
DS-751269
0910-2017
DS-750833
(3.875”) Std.
0910-0915
DS-750692
+.040”
DS-751252
0910-2019
0910-2018
DS-750834
+.005”
0910-0916
DS-750693
NOTE: Use lock rings PART #0913-0001 (4-pk.).
+.010”
0910-0917
DS-750694
NOTE: Use lock rings PART #0913-0002 (4-pk.).
FOR 86-17 XL 883 TO 1200 CONV
BORE
(REVERSE DOME) 10.0:1 COMP PISTON #
REPLACEMENT RINGS #
FOR 99-06 88” TWIN CAM
Std. (3.498”)
DS-751253
DS-750830
BORE
10.6:1 COMP PISTON #
8.8:1 COMP PISTON #
REPLACEMENT RINGS #
+.005”
DS-751264
DS-750867
(3.750”) Std.
0910-0575
0910-0578
DS-750869
+.010”
DS-751254
DS-750831
+.005”
DS-751277
DS-751272
-
+.020”
DS-751255
DS-750832
+.010”
0910-0576
0910-0579
0912-0338
NOTE: Use lock rings PART #0913-0001 (4-pk.).
NOTE: Use lock rings PART #0913-0002 (4-pk.).
FOR 88-03 XL 1200
FOR 99-06 95” TWIN CAM BIG BORE
BORE
(FLAT TOP) 9.0:1 COMP PISTON #
REPLACEMENT RINGS #
BORE
10.5:1 COMP PISTON #
9.3:1 COMP PISTON #
REPLACEMENT RINGS #
Std. (3.498”)
DS-751235
DS-750830
Std. (3.875”)
DS-751286
DS-751281
DS-750874
+.005”
DS-751236
DS-750867
+.005”
DS-751287
DS-751282
DS-750875
+.010”
DS-751237
DS-750831
+.010”
DS-751288
0910-2020
-
+.020”
DS-751238
DS-750832
NOTE: Use lock rings PART #0913-0002 (4-pk.).
NOTE: Use lock rings PART #0913-0001 (4-pk.).
NOTE: Will fit XL1100 models if used with XL1200 cylinder heads.
SUG.
SUG.
SUG.
SUG.
SUG.
SUG.
SUG.
P ART #
RETAIL
P ART #
RETAIL
P ART #
RETAIL
P ART #
RETAIL
P ART #
RETAIL
P ART #
RETAIL
P ART #
RETAIL
PISTONS
PISTONS (CONT)
PISTONS (CONT)
PISTONS (CONT)
PISTONS (CONT)
REPLACEMENT RINGS
REPLACEMENT RINGS
0910-0575
$252.95
0910-2018
$199.95
DS-751244
$199.95
DS-751255
$209.95
DS-751281
$252.95
(CONT)
(CONT)
0910-0576
252.95
0910-2019
209.95
DS-751247
209.95
DS-751264
209.95
DS-751282
252.95
DS-750693
$54.95
DS-750869
$54.95
0910-0578
245.95
0910-2020
252.95
DS-751248
209.95
DS-751265
209.95
DS-751286
263.95
DS-750694
54.95
DS-750874
49.95
0910-0579
245.95
DS-751235
194.95
DS-751249
209.95
DS-751266
209.95
DS-751287
263.95
DS-750830
42.95
DS-750875
49.95
0910-0915
202.95
DS-751236
194.95
DS-751250
209.95
DS-751267
209.95
DS-751288
263.95
DS-750831
42.95
PISTON LOCK RINGS
0910-0916
202.95
DS-751237
194.95
DS-751251
209.95
DS-751268
209.95
REPLACEMENT RINGS
DS-750832
42.95
0913-0001
5.95
0910-0917
202.95
DS-751238
194.95
DS-751252
209.95
DS-751269
209.95
0912-0338
47.95
DS-750833
42.95
0913-0002
5.95
0910-2016
199.95
DS-751242
199.95
DS-751253
209.95
DS-751272
245.95
DS-750692
54.95
DS-750834
42.95
0910-2017
199.95
DS-751243
199.95
DS-751254
209.95
DS-751277
252.95
DS-750867
42.95
KB PERFORMANCE FORGED PISTONS
Pistons forged from 4032 aluminum alloy
Offset pin design for quiet operation
Each kit contains two pistons, pins, spiral-lock pin clips and Hastings moly rings
Piston pin lock rings available separately
0910-0939
Replacement rings are also available separately
0913-0002
NOTE: Each replacement ring PART # denotes rings for two pistons, except 99-06 88” Twin Cam kits, which require two sets.
FOR 12-17 103” TWIN CAM AND 07-13 96” TWIN CAM BIG BORE 103” (COATED SKIRTS)
FOR 84-99 80” EVOLUTION BIG TWIN
BORE
10.5:1 COMP PISTON #
9.5:1 COMP PISTON #
REPLACEMENT RINGS #
BORE
10.5: COMP PISTON #
9.5:1 COMP PISTON #
REPLACEMENT RINGS #
(3.875”) Std.
0910-0939
0910-0937
DS-750692
Std. (3.498”)
0910-0926
0910-0922
DS-750830
NOTE: Use lock rings PART #0913-0002 (4-pk.).
+.005”
0910-0927
0910-0923
DS-750867
NOTE: Use lock rings PART #0913-0002 (4-pk.).
FOR 99-06 95” TWIN CAM BIG BORE (COATED SKIRTS)
+.010”
0910-0928
0910-0924
DS-750831
BORE
10.5:1 COMP PISTON #
9.25:1 COMP PISTON #
REPLACEMENT RINGS #
+.020”
0910-0929
0910-0925
DS-750832
(3.875”) Std.
0910-0935
0910-0933
DS-750692
NOTE: Use lock rings PART #0913-0001 (4-pk.).
NOTE: Use lock rings PART #0913-0002 (4-pk.).
FOR 86-17 XL 883 CONVERSION TO 1200 (COATED SKIRTS)
BORE
(REVERSE DOME) 9.0:1 COMP PISTON #
REPLACEMENT RINGS #
Std. (3.498”)
0910-0930
DS-750830
NOTE: Use lock rings PART #0913-0001 (4-pk.).
FOR 07-17 96”/103” BORED TO 110 CU. IN.
FOR 07-17 96”/103” BORED TO 117 CU. IN.
FOR 12-17 103” TWIN CAM AND 07-13 96” TWIN CAM BIG BORE
(W/ SCREAMIN’ EAGLE 95CC HEADS) (COATED SKIRTS)
(W/ SCREAMIN’ EAGLE 95CC HEADS) (COATED SKIRTS)
103” (W/ SCREAMIN’ EAGLE 95CC HEADS) (COATED SKIRTS)
BORE
10.0:1 COMP PISTONS
BORE
10.0:1 COMP PISTONS
BORE
10.0:1 COMP PISTONS
(4.00”)
0910-3973
(4.125”)
0910-3976
(3.875”)
0910-3970
+.005”
0910-3974
+.005”
0910-3977
+.005”
0910-3971
+.010”
0910-3975
+.010”
0910-3978
+.010”
0910-3972
P ART #
SUG. RETAIL
P ART #
SUG. RETAIL
P ART #
SUG. RETAIL
P ART #
SUG. RETAIL
P ART #
SUG. RETAIL
P ART #
SUG. RETAIL
PISTONS
PISTONS (CONT)
PISTONS (CONT)
PISTONS (CONT)
PISTONS (CONT)
REPLACEMENT RINGS (CONT)
0910-0922
$256.95
0910-0927
$256.95
0910-0935
$275.95
0910-3972
$289.95
0910-3977
$289.95
DS-750831
$42.95
0910-0923
256.95
0910-0928
256.95
0910-0937
275.95
0910-3973
289.95
0910-3978
289.95
DS-750832
42.95
0910-0924
256.95
0910-0929
256.95
0910-0939
275.95
0910-3974
289.95
REPLACEMENT RINGS
DS-750867
42.95
0910-0925
256.95
0910-0930
256.95
0910-3970
289.95
0910-3975
289.95
DS-750692
54.95
PISTON LOCK RINGS
0910-0926
256.95
0910-0933
275.95
0910-3971
289.95
0910-3976
289.95
DS-750830
42.95
0913-0001
5.95
0913-0002
5.95
DISCLAIMER: NOT LEGAL FOR SALE OR USE IN CALIFORNIA ON ANY POLLUTION CONTROLLED MOTOR VEHICLES.
SEE PAGE 399 FOR IMPORTANT EMISSION DEFINITIONS AND REGULATORY COMPLIANCE AND WARRANTY INFORMATION.
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