189
BIG TWIN
11-9830
Wiseco Replacement Wrist Pins are
sold each.
VT No. Bore
11-9778 3¹⁄₂”
11-9981 3³⁄₄”
Wiseco Replacement Circlips fit all
Wiseco pistons, available in pairs.
VT No. Bore
11-9773 3⁷⁄₁₆” & 3¹⁄₂”
11-9774 3³⁄₄”
Forged Piston Kit
Note: All Wiseco Rings are sold per piston.
High Performance Forged Pistons
• Wiseco’s high-tech manufacturing ensures greater operating strength and
lower expansion at high temperatures
• Evolution Kits include forged pistons with ArmorGlide™ coated skirts,
rings, retainer clips and chrome piston pins
• Twin Cam Kit are available with "Armor X" valve pocket coating that are
also features "Armor Fit" shirt coating or with ArmorPlating which improves
ring seal, eliminates ring micro-welding, and improves the piston’s ability to
defend against detonation damage
• Piston kits are available with X-Ring package (.062 top ring, .062
compression ring and .158 oil ring), or VM-Rings (1.2mm steel, positive
twist, gas nitrided top ring, 1.2mm cast iron, taper under-hook scraper ring
and 2.0mm three-piece, flex-vent oil ring with steel chrome-faced rails);
VM-Rings, X-Rings and XC-Rings will not interchange
•103” kits require cylinder boring; 110” kit requires big-bore cylinders and
case boring; X-Ring package (.0472” top ring, .0472” compression ring and
.118” oil ring); recalibration required
Note: Replacement rings include rings for one piston only.
For Twin Cam Applications
Description
Piston Kit Repl. Ring Repl. Wrist (Each)
Repl. Circlip (Pair)
For 2012-17 Twin Cam 103 and 2007-13 Twin Cam 96 bored to 1691cc (103 cu. in.) VM-ring
package (9:1 comp. reverse dome) also fits 99-06 Twin Cam 88 with 4 3/8” stroker crank. Kit
includes top end gasket set. Includes Armor coated pistons.
Std.
11-1011
11-9923
11-9981
11-9774
.010”
—
11-9925
11-9981
11-9774
For 2012-17 Twin Cam 103 and 2007-13 Twin Cam 96 bored to 1691cc (103 cu. in.) VM-ring
package (9:1 comp. reverse dome) also fits 99-06 Twin Cam 88 with 4 3/8” stroker crank. Kit
includes top end gasket set. Includes ArmorX coated pistons.
Std
11-9972
—
—
—
For 2012-17 Twin Cam 103 and 07-13 Twin Cam 96 bored to 1691cc (103 cu. in.)
VM-ring package (9.6:1 comp. flat top) also fits 99-06 Twin Cam 88 with 4 3/8” stroker crank). Kit
includes top end gasket set. Includes Armor Glide Coated pistons.
Std.
11-1214
11-9923
11-9981
11-9774
.005”
11-1215
11-9924
11-9981
11-9774
.010”
—
11-9925
11-9981
11-9774
For 2012-17 Twin Cam 103 and 07-13 Twin Cam 96 bored to 1691cc (103 cu. in.)
VM-ring package (9.6:1 comp. flat top) also fits 99-06 Twin Cam 88 with 4 3/8” stroker crank). Kit
includes top end gasket set. Includes Armor Glide Coated Pistons.
Std.
11-9973
—
—
—
For 2012-17 Twin Cam 103 and 07-13 Twin Cam 96 bored to 1691cc (103 cu. in.)
X-ring package (9:1 comp. reverse dome); also fits 1999-06 Twin Cam 88 with 4 3/8” stroke
crank. Kit includes top end gasket set. Includes Armor Glide Coated Pistons.
Std.
11-1012
11-9923
11-9981
11-9774
.005”
—
11-9924
11-9981
11-9774
As Above with Armor X Coated Piston
Std.
11-9957
11-9925
11-9981
11-9774
For 2012-17 Twin Cam 103 and 07-13 Twin Cam 96 bored to 1691cc (103 cu. in.) X-ring package
(9:1 comp. reverse dome); also fits 1999-06 Twin Cam 88 with 4 3/8” stroke crank. Includes top
end gasket set an Armor plated coated pistons.
Std.
11-9974
—
—
—
For 2012-17 Twin Cam 103 and 07-13 Twin Cam 96 bored to 1691 cc (103 cu in) VM ring package
(10.5:1 comp. domed) also fits 1999-06 Twin Cam 88 with 4 3/8 stroke crank. Kit includes top end
gasket set. Include Amor X coated pistons.
Std.
11-9958
11-9925
11-9981
11-9774
For 2007-17 Twin Cam 96/103 bored to 1802cc (110 cu. in.) X-ring package (10.5:1 comp. flat top)
also fits 99-06 Twin Cam 88 with 4 3/8” stroker crank. Kit includes top end gasket set.
Std.
11-0849
11-9981
11-9774
For 1999-06 Twin Cam 88 bored to 1550cc (95 cu. in.) VM-Ring Package. (9:1 comp.) Kit includes
top end gasket set.
Std.
11-9938
11-9923
11-9981
11-9774
.010”
11-9940
11-9924
11-9981
11-9774
.020”
—
11-9925
11-9981
11-9774
For 1999-17 Twin Cam 88"/96"/103" bored to 1746cc (106 cu. in.) with 4 3/8" stroke crank (except
Twin Cooled™ Models)VM-ring Package(10:1 Comp. Flat Top). Kit includes top end gasket set.
Std.
11-9959
—
—
11-9774
For 1999-17 Twin Cam 88"/96" Bored to 1596cc (97 cu. in.) with 4 3/8” stroke crank, VM-Ring
Package (10.1 Comp. Domed) Kit includes top end gasket set. Includes Armor plated coated
pistons.
Std.
11-9960
11-9774
For 1999-17 Twin Cam 88"/96" Bored to 1596cc (97 cu. in.) with 4 3/8” stroke crank, VM-Ring
Package (10.1 Comp. Domed) Kit includes top end gasket set. Includes Armor X coated pistons.
Std.
11-9975
—
—
—
For 99-06 Twin Cam 88 bored to 1550cc (95 cu. in.) VM-ring Package (10.5:1 comp.) Kit includes
top end gasket set. Note: Requires Screamin’ Eagle module on fuel-injected models
Std.
11-9918
11-9923
11-9981
11-9774
.005”
11-9919
11-9924
11-9981
11-9774
.010”
11-9920
—
11-9981
11-9774
.020”
11-9921
11-9926
11-9981
11-9774
.030”
—
11-9927
11-9981
11-9774
For 1999-06 Twin Cam 88 VM-ring Package (10.5:1 comp.)
Std.
11-9928
—
11-9981
11-9774
.005”
—
11-9934
11-9981
11-9774
.010”
—
11-9935
11-9981
11-9774
.020”
—
11-9936
11-9981
11-9774
.030”
—
11-9937
11-9981
11-9774
For Evolution Models.
Description
Piston Kit Repl. Ring Repl. Wrist (Ea.)
Repl. Circlip (Pr.)
For 1984-99 1340CC Evo. Big Twin X-ring Package (10:1 comp.)
Std.
11-9895
11-9759
11-9778
11-9773
.005”
11-9896
11-9901
11-9778
11-9773
.010”
11-9897
11-9760
11-9778
11-9773
.020”
11-9898
11-9762
11-9778
11-9773
.030”
11-9899
11-9764
11-9778
11-9773
.040”
11-9900
11-9765
11-9778
11-9773
For 1984-99 1340cc Evo. Big Twin X-ring Package (8.5:1 comp.)
Std.
11-9830
11-9759
11-9778
11-9773
.010”
11-9831
11-9762
11-9778
11-9773
.020”
11-9832
11-9760
11-9778
11-9773
.030”
11-9833
11-9764
11-9778
11-9773
.040”
11-9834
11-9765
11-9778
11-9773
For 1984-99 1340cc Evo. Big Twin X-ring Package (11:1 comp.)
Std.
11-9840
11-9759
11-9778
11-9773
.040”
11-9845
11-9765
11-9778
11-9773
For 1984-99 1340cc Evo. Big Twin Bored to 1438cc (88 cu. in.) X-ring Package (9.25:1 comp.)
Std.
11-9903
11-9908
11-9778
11-9773
.005”
—
11-9909
11-9778
11-9773
.010”
—
11-9910
11-9778
11-9773
.020
—
11-9911
11-9778
11-9773
.030”
—
11-9912
11-9778
11-9773
For 1984-99 1340 cc Evo. Big Twin bored to 1530 (93.4 cu. in.) X-ring pack (9.5:1 comp.)
Std.
11-1699
11-9971
—
—
Important Note:
Some items on this page may be emission-related parts subject to California or other emission control laws. Please see
note for important information regarding emission control regulatory compliance and warranty information.
For M-8 Applications
Description
Piston Kit Repl. Ring
(2 Each Piston)
Repl. Wrist
(Each)
Repl. Circlip
(Pair)
For 2017-up M8 107 11:1 compression ratio. Positive dome 3.937”
bore with ArmorX coating. For use with 4.375”stock flywheel.
Std.
11-9976
—
—
—
For 2017-up M-8 107 bored to 1875cc (114 cu in) 11.1 compression
ratio positive dome with Armor X coating. For use with 4.375” stock
flywheel. Requires cylinder boring. 4.080” bore.
Std.
11-9979
—
—
—
For 2017-up M-8 107 bored to 1918cc (117 cu in) 11.1 compression
ratio flat top with Armor X coating. For use with 4.375” stock
flywheel. Requires cylinder sleeving and case boring. 4.127” bore.
Std.
11-9982
—
—
—
For 2017-up M-8 107 bored to 2035 cc (124 cu in) 11.1 compression
ratio dished top with ArmorX coating. For use with 4.375” stock
flywheel. Requires cylinder sleeving and case boring. 4.250” bore.
Std.
11-9983
—
—
—
11-9972