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3-7/8" -- 4" Big Bore Big
Twin
NATURAL FINISH &
BLACK
FINISH
C355
Casting. Cast-in heavy wall liners will not move.
Liners are
centrifugally cast with graphite impregnated nickel
for high
durability. All fins are machined for an
excellent cosmetic
apperance.
100"
Bore:
3.5 / Stroke 4.25 / CYL Length: 5.550
Compression:
10:1 / Piston Compression Height: 1.381
( Piston has domed shape to match OEM Evolution® type
cyclinder head and will yield approx. 10:1 compression on most 1986 &
later Evolution® Engines )
Case Bore: 3.680 / Bolt Pattern: Stock
Evolution®
93-860 4" Bore Front Cylinder, Honed.
Natural Finish
93-861 4" Bore Rear Cylinder, Honed.
Natural Finish
93-864 4" Bore Front Cylinder, Honed. Black
Finish
93-865 4" Bore
Front Cylinder, Honed. Black Finish
93-903 4" Bore Front Cylinder, Honed. Natural Finish
with Ross
Pistons
93-904 4"
Bore Rear Cylinder, Honed. Black Finish Finish
with Ross Pistons
SEE PISTON CHART AT BOTTOM FOR ALL
CYLINDERS:
113"
Bore:
4.000 / Stroke 4.500 / CYL Length: 4.995
Compression:
10.2:1 / Piston Compression Height: 1.200
Case Bore:
4.255 / Bolt Pattern: 4"
93-858 4" Bore
Front Cylinder, Honed. Natural Finish
93-859 4" Bore Rear Cylinder, Honed.
Natural Finish
93-862 4" Bore Front Cylinder, Honed.
Black Finish
93-863 4" Bore Front Cylinder, Honed.
Black Finish
93-905 4" Bore Front Cylinder, Honed. Natural Finish
with Ross
Pistons
93-906 4"
Bore Rear Cylinder, Honed. Black Finish Finish
with Ross Pistons
SEE PISTON CHART BELOW FOR ALL
CYLINDERS:
|
ROSS
PISTONS |
STD. |
+.005 |
+.010 |
PIN |
CLIP |
|
100" |
93-880 |
93-908 |
93-794 |
93-914 |
93-915 |
|
RINGS |
93-908 |
93-909 |
93-910 |
|
|
|
113" |
93-885 |
93-886 |
93-887 |
93-914 |
93-915 |
|
RINGS |
93-911 |
93-912 |
93-913 |
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