Wiseco & Wossner
Piston Kits
HARLEY DAVIDSON Models Years Size
Piston Kit 56-W9944 56-W9953 56-W9864
Piston Rings Piston Pin
Piston Clips
Small End Bearing
XR 750 2-Ring Version
All Years 3.156” 1986 - 11 3.502” 2002 - 08 3.501”
.000.W2 .000.WO .000.WO
.WO .WO .WO
56-0155 56-0155 56-0155
883 Evo Sportster (Set 2) (Comp 9:1) Buell X9BR, S (Set 2) (Comp 10:1) Buell XB9R Firebolt & XB9S (Set 2) (Comp 10:1) Domed Buell XB9R Firebolt & XB9S (Set 2) (Comp 12.3:1) Buell Big S1 White Lightening (Set 2)
56-R363 56-R363
3.501”
.000.WO
.WO
56-W9864
56-R363
56-0155
3.817”
.000.WO
.WO
56-W9940
56-R307
56-0155
1996 - 98 3.501” 1997 - 02 3.501”
.000.WO .000.WO
.WO .WO
56-W9941 56-W9941
56-R363 56-R363
56-0155 56-0155
S3 / S3 Thunderbolt (Set 2) Twin Cam 88” (Comp 8.5:1) (Set 2)
1999 - 06 3.758” O/S
.025.WO
.WO
56-W9865
56-R313
Twin Cam 88” (Comp 10:1) (Set 2) Twin Cam 88” Big Bore (100 cu.in.) W/ 4” Stroke Crank Twin Cam 88 Big Bore (Comp 10:1) Twin Cam 88 Big Bore (Comp 10:1) Twin Cam 88 Big Bore (Comp 10:1) Twin Cam 88 Big Bore (Comp 10:1) Twin Cam 88 Big Bore (Comp 10:1) Twin Cam Big Bore (Comp 10:1) (107 cu. in) Twin Cam Big Bore (Comp 10:1) Twin Cam Big Bore (Comp 10:1) Twin Cam Big Bore (Comp 10:1) (95 cu. in) Twin Cam Big Bore (Comp 10:1) (113 cu. in) Twin Cam Big Bore (Comp 10:1) (124 cu. in) 1200 Buell XB12 R Firebolt XB12S Lightning Race Only 73 cu.In 1200cc Buell Stroke 3.812” 1200 Buell / XB12R Firebolt / XB12S Lightning Big Bore (Comp 14:1) (Set2) 1200 Evo Sportster (Comp 9:5:1) 1200 Sportster Big Bore (Comp 10.5:1) 1200 Big Bore 3 13/16 (Comp 10.5:1) Screaming Egle V-Rod (Comp 12:1)
1999 - 06 3.758” O/S
.025.WO
.WO
56-W9866
56-R313
1999 - 12 3.997”
.000.WO
56-W9943
1999 - 12 3.997” 1999 - 12 4.122”
.000.WO
56-W9963
56-W9964.000.WO
1999 - 12 3.872” O/S 1999 - 12 3.872” O/S 1999 - 12 3.872” O/S
.015.WO .015.WO .015.WO
56-W9965 56-W9966 56-W9967
1999 - 12 3.934”
.000.WO
56-W9968
1999 - 12 3.997” 1999 - 12 3.934”
.000.WO .000.WO
56-W9970 56-W9971
.WO
56-R501
1999 - 12 3.872”
56-W9972.000.WO
1999 - 12 4.247”
.000.WO
56-W9973
1999 - 12 4.247”
.000.WO
56-W9974
2004 - 07 3.501”
.000.WO
56-W9942
2004 - 09 3.816”
.000.WO
.WO
56-W9961
56-R307
56-0155
1986 - 87 3.501” 2004 - 07 3.501” 2004 - 07 3.816”
.000.WO .000.WO .000.WO .000.WO .000.WO .000.WO .000.WO
.WO .WO .WO
56-W9954 56-W9955 56-W9956 56-W9981 56-W9981 56-W9981 56-W9957
56-R363 56-R363 56-R307
56-0155 56-0155
56-0155 56-0156
2006 2007 2008
4.250” 4.250”
.WO .WO .WO
56-7974 56-7974 56-7974
VRSCA V-Rod (Comp 12:1)
56-0156 56-0156
V-Rod Models 1250cc
4.250”
1340 Evo Big Twin (Comp 9.5:1) 1340 Evo 3 5/8” Big Bore (Set 2) (Comp 9.5:1) 1340 Evo Big Bore Kit (Set 2) (Comp 9.5:1) 1340 Shovelhead (Set 2) (Comp 9.5:1) (Comp 7:1) (Comp 8.5:1)
1984 - 99 3.498”
1984 - 99 3.625”
56-W9959.000.WO
.WO
.WO
56-R304
56-0155
1984 - 99 3.738”
.000.WO
.WO
.WO
56-W9960
56-R305
56-0155
3.497” 3.498” 3.497” 3.517” O/S
.WO .WO .WO .WO
56-0155 56-0155 56-0155 56-0155
1978 - 84
.000.WO 56-W9977.050.WO 56-W9976
1200 FL-FLH Panhead (Set 2) (Comp 8.5:1) 1200 Fl-FLH Shovelhead (Set 2) (Comp 8.5:1)
1948 - 65 3.444” O/S 56-W9978.015.WO
.WO
56-0155
1966 - 77 3.444” O/S 56-W9978.015.WO
.WO
56-0155
1200 Shovelhead (Set 2) (Comp 8.5:1)
1966 - 77 3.503” O/S
.170.WO
.WO
56-W9979
56-0155
1200 FL - FLH Panhead (Set 2) (Comp 8.5:1) Domed
1948 - 65 3 . 437”
.000.WO
.WO
56-W9980
56-0155
1200 Shovelhead (Set 2) (Comp 8.5:1) Domed
1966 - 77 3 . 437”
.000.WO
.WO .WO .WO .WO
56-W9980
56-0155 56-0155 56-0155 56-0155
3.996” 3.997” O/S 4.010” O/S
56-W9983.2RD.WO 56-W9983.2BE.WO 56-W9983.2YE.WO
Rev Tech 110 (Set 2)
* Note; Most Kits are available from standard size up to +2.00mm over size *
*Please visit our website for current prices
E-mail: sales@oro2u.com
www.oro2u.com
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