203
BIG TWIN
11-9830
Wiseco Replacement Wrist Pin is sold each.
VT No. Bore
11-9778 31/2”
Wiseco Replacement Circlip Sets fit
all Wiseco pistons, available in a pair.
VT No. Bore
11-9773 37•16” & 31/2”
11-9774 33/4”
Forged Piston Kit
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 also features "Armor Fit" skirt 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 cyl-
inders 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
—
—
11-9774
.010”
—
—
—
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
—
—
—
As Above with Armor X Coated Piston
Std.
11-9957
—
—
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 ArmorGlide™ Coated pistons.
Std.
—
—
—
11-9774
.005”
—
—
—
11-9774
.010”
—
—
—
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 ArmorGlide™ 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 ArmorGlide™ Coated Pistons.
Std.
—
—
—
11-9774
.005”
—
—
—
11-9774
For 2012-17 Twin Cam 103 and 07-13 Twin Cam 96 bored to 1691cc (103 cu. in.) VM ring package
(10.5:1 comp. domed); also fits 1999-06 Twin Cam 88 with 4 3/8” stroke crank. Includes top end
gasket set an Armor plated coated pistons.
Std.
—
—
—
—
.010
—
—
—
11-9774
For 2012-17 Twin Cam 103 and 07-13 Twin Cam 96 bored to 1691cc (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.
—
—
—
11-9774
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
—
—
11-9774
For 1999-06 Twin Cam 88 bored to 1550cc (95 cu. in.) VM-Ring Package. (9:1 comp.) Kit includes top
end gasket set and ArmorGlide™ coated pistons.
Std.
11-9938
—
—
11-9774
.010”
—
—
—
11-9774
.020”
—
—
—
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)(10:1 Comp. Flat Top). Kit includes top end gasket set.
Std.
—
—
—
11-9774
As Above with Armor X coated pistons.
Std.
11-9975
—
—
—
For 99-06 Twin Cam 88"/96" bored to 1596cc (97 cu. in.) with 4" stroke crank, VM-Ring Package
(10.1 Comp. Domed). Kit includes top end gasket set. Includes Armor plated coated piston.
—
—
—
11-9774
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. ArmorGlide™ Coated
Pistons.
Std.
11-9918
—
—
11-9774
.005”
—
—
—
11-9774
.010”
11-9920
—
—
11-9774
.020”
11-9921
11-9926
—
11-9774
.030”
—
11-9927
—
11-9774
For 1999-06 Twin Cam 88 VM-ring Package (10.5:1 comp.)
Std.
—
—
—
11-9774
.005”
—
—
—
11-9774
.010”
—
11-9935
—
11-9774
.020”
—
11-9936
—
11-9774
.030”
—
11-9937
—
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”
—
11-9765
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”
—
11-9765
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”
11-9765
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
—
11-9778
11-9773
.005”
—
—
11-9778
11-9773
.010”
—
—
11-9778
11-9773
.020
—
—
11-9778
11-9773
.030”
—
—
11-9778
11-9773
For 1984-99 1340cc Evo. Big Twin bored to 1530cc (93.4 cu. in.) X-ring pack (9.5:1 comp.)
Std.
11-1699
—
—
—
Important Note: Some items on this page may be emission-related parts subject to CA or NY or other emission control laws. Please see
note for important information regarding emission control regulatory compliance and warranty information.
Note: All Wiseco Rings are sold per piston.
For M-8 Applications
Description
Piston Kit Repl. Ring
(2 Each Piston)
Repl. Wrist
(Each)
Repl. Circlip
(Pair)
For 2017-up M-8 107 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 2035 cc (124 cu in) 11.1 compression ra-
tio 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
For 2017-up M-8 114” 11:1 compression ratio 4.016” bore x 4.5” stroke.
with Armor fit skirt coating.
Std.
11-9984
—
—
—
For 2017-up M-8 117” 11:1:1 compression ratio 4.075” bore x 4.5”
stroke. with Armor fit skirt coating.
Std.
11-9985
—
—
—
For 2017-up M-8 118” 11.3:1 compression ratio 4.016”bore x 4.5”
stroke with Armor fit skirt coating.
Std.
11-9986
—
—
—
For 2017-up M-8 121” 11.3:1 compression ratio 4.135” bore x 4.5”
stroke with Armor fit skirt coating.
Std.
11-9983
—
—
—