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199
BIG TWIN
Twin Cam 37/8” Big Bore Cylinder Kit increases displacement 
of Twin Cam 88 (1450) to 95 cubic inches (1550). These cylin-
ders require no crankcase machining and are finished honed.
10.25:1 Cast   
9:1 Forged 
Finish
11-0074 
 
  
Black
11-0075  11-0881 
Silver
9.3:1 Cast
11-1575 
 
  
Black
11-1563 
 
  
Silver
9.3:1 Cast 
 
10.5 Forged  Finish
Chromoly Coated
11-2615  11-0882 
Black, Sifton
11-2619  11-0883 
Silver, Sifton
Gasket Set
15-0377 
 
  
95”
11-2615
11-0075
95”
37•8” Big Bore Cylinder Kit increases displacement of the 
Twin Cam 96 to 103 cubic inches. Can be used on Twin Cam 
96” models to produce 103 cubic inches with stock flywheels. 
These cylinders require no crankcase machining and are fin-
ished and honed. Fits all 2007-11 Twin Cam 96” models with 
stock stroke flywheels. Can also be used as a stock replace-
ment cylinder set on 2012-17 Twin Cam 103” models includes 
Wiseco piston kit.
Black Silver  Compression
11-1754  11-1755 
9:1
15-1514   
Top End Gasket Kit
99-17 Big Bore Cylinder Kit for TC-88 or 96
11-1755
11-1754
15-1514
Wiseco Twin Cam Big Bore Piston Kit 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 43•8” stroker 
crank. Kit includes top end gasket set. VT No. 11-0849
11-2619
11-0883
15-0377
11-0074
1 Cubic Inch = 16.38 cc 
1 Cubic Inch = .0163871 liter
π = 3.14