Download Ultima Competition Series Specifications

General Specifications 80” - 113”
4
Displacement CI
Displacement CC/CI
80Ci
1340/81.8
96Ci
1564/95.5
100Ci
1643/100.2
107Ci
1751/106.8
113Ci
1853/113.1
Bore
Stroke
Compression
Valve : Int
Valve: Ex
Cam Lift: Int
Cam Lift: Ex
Cam Duration
Pushrod Length
Piston
Cylinder Length
Case Deck Height
Rod Length
Flywheel
Case Spigot bore
Pump Type
Breather Type
Cam Cover Type
Rocker Box Type
Rocker Arm/ Ratio
Engine Height
Rated power RW
Engine Weight
3.498”
4.25”
8.75:1
1.850”
1.625”
.490”
.490”
242/252
Stock
Cast
5.550
5.375
7.44
Forged 5 Pc
3.680”
92/L
92/L (NOTE 1)
84/89
93/L
1.63
Stock
75hp/80 tq
145 Lb
3.625”
4.625”
9.8:1
1.850”
1.625”
.520”
.520”
262/272
Stock
Forged
5.565
5.375
7.44
Forged 5Pc
3.880”
92/L
92/L (NOTE 1)
84/89
93/L
1.63
.015” Taller
100hp/100tq
150 Lb
3.875”
4.250”
9.6:1
2.100”
1.700”
.625”
.600”
248/252
Stock
Forged Dome
4.995
5.875
7.44
Forged 5Pc
4.255”
92/L
92/L (NOTE 1)
84/89
93/L
1.7
.010” Taller
110hp/110tq
165 Lb
4.000”
4.250”
10:1
2.100”
1.700”
.625”
.600”
248
Stock
Forged Dome
4.995
5.875
7.44
Forged 5Pc
4.255”
92/L
92/L (NOTE 1)
84/89
93/L
1.7
.010” Taller
115hp/115tq
165 Lb
4.000”
4.500”
10.2:1
2.100”
1.700”
.640”
.600”
264/268
Stock
Forged Dome
4.995
5.875
7.44
Forged 5Pc
4.255”
92/L
92/L (NOTE 1)
84/89
93/L
1.7
.010” Taller
120hp/120tq
165 Lb
NOTE (1)
Ultima® engines are
supplied with 93/L
breathers operating
but the early 84/92
system is present
but plugged.