Impros' Recommended
Skat Trak
Impeller
Model
Ultra 250X
Ultra LX
STX-15F
STX-12F
1200 STX-R
Ultra 150
Ultra 130 DI
1100 STX DI
1100 STX
900 STX
900 STX
900 STS
1100 ZXi
900 ZXi
800 SXR
750 ZXi
750 Xi Sport
750 Xi
750 Sxi Pro
750 SXi
750 SX
750 SS
750 XIR
750 STX
750 STS
750 ST
650 TS
650 SX
650 X-2
650 SC
650 JM
550 SX
550 JS
440 JS
300 SX
300 JS
Year
07-08
07-08
04-08
03-08
02-05
99-05
01-04
00-03
97-99
97-00
01-06
01-02
96-03
95-97
03-08
97
95-96
98-99
97
96
93-95
98-02
95-96
92-95
97
96
92-95
94
98
97
96
95
95
93-94
89-96
86-93
86-95
91-95
91-92
90-95
82-89
77-94
87-91
86-88
Engine cc
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a.
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a.
n/a
n/a
n/a
n/a
n/a
n/a
n/a
Original Impeller
SS 3-bl 12/20
SS 3-bl
SS 13/19
SS 8/22
13/23
13/18
11/16
8/23
8/22
10/24
9/21
8/20
7/20
14/22
13/18
14/22
14/22
13/18
13/18
13/18
8/16 5-blade
9/17
9/17
14/19 alum.
12/17
12/17
14/19 alum.
9/17
12/17
12/17
12/17
13/18
13/21
10/18 alum. 5-bl.
16.5 alum.
15 alum.
18 alum.
16.5 alum.
15 alum.
17.5 alum.
16 alum.
15 alum.
15 alum.
15 alum.
Pump Dia.
155mm
155mm
148mm
148mm
148mm
Mixed
Mixed
148mm
148mm
140mm
148mm
140mm
148mm
140mm
140mm
140mm
140mm
140mm
140mm
140mm
140mm
140mm
140mm
140mm
140mm
140mm
140mm
140mm
140mm
140mm
140mm
140mm
140mm
140mm
140mm
140mm
140mm
140mm
140mm
Mixed
Mixed
121.7mm
121.7mm
121.7mm
Stock Engine
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13/19 Swirl
13/18 Swirl
14/24R SwirlÂ
14/19 Swirl
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13/19 Swirl
13/18 Swirl
14/19 Swirl* or 15/20** Slimline
12/17 Swirl
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13/18 Swirl
14/19 Swirl* or 15/20** Slimline
13/18 C-75 Swirl
13/18 Swirl
13/18 Swirl
12/17 Swirl* or 10/18** Standard
12/17 Swirl* or 10/18** Standard
12/17 Swirl* or 10/18** Standard
10/18 Standard
9/17* or 10/18** Standard
9/17* or 10/18** Standard
9/17 Standard
9/17 Standard
9/17 Standard
9/17 Standard
9/17 Standard
10/18 Std.* or 12/17 Swirl**
12/17 Swirl* or 10/18** Standard
12/17 Swirl* or 10/18** Standard
12/17 Swirl* or 10/18** Standard
9/17 Standard
9/17 Standard
9/17 Standard
8/16 Standard
8/16 Standard
9/17 Standard
9/17 Standard
13/16 Standard
13/16 Standard
13/16 Standard
13/16 Standard
13/16 Standard
Limited Engine
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14/20 Swirl
13/19 Swirl
14/24R Swirl
14/20 Swirl
Contact us
14/20 Swirl
13/18 to 13/19 Swirl
14/19 Swirl* or 16/21 Slimline**
12/17 Swirl
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13/18 to 13/19 Swirl
14/19 Swirl* or 16/21 Slimline**
14/19 C-75 Swirl
13/18 to 14/19 Swirl
13/18 to 14/19 Swirl
12/17 Swirl* or 11/19** Standard
12/17 Swirl* or 11/19** Standard
12/17 Swirl* or 11/19** Standard
11/19 Standard
12/17 Swirl* or 10/18** Standard
12/17 Swirl* or 10/18** Standard
9/17* to 10/18** Standard
9/17* to 10/18** Standard
9/17* to 10/18** Standard
9/17* to 10/18** Standard
9/17* to 10/18** Standard
13/18 Swirl
12/17 Swirl* or 11/19** Standard
12/17 Swirl* or 11/19** Standard
12/17 Swirl* or 11/19** Standard
9/17* to 10/18** Standard
9/17* to 10/18** Standard
9/17* to 10/18** Standard
9/17 Standard
9/17 Standard
9/17* to 10/18** Standard
9/17* to 10/18** Standard
13/16 Standard
13/16 Standard
13/16 Standard
13/16 Standard
13/16 Standard
Modified Engine
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14/24R Swirl
14/20 Swirl
14/24 Swirl
14/22 Swirl
Contact us
14/22 Swirl
14/20 to 14/24 Swirl
15/20 Swirl* or 17/22 Slimline**
13/18 Swirl
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14/20 to 14/24 Swirl
15/20 Swirl* or 17/22 Slimline**
15/20 C-75 Swirl
14/19 to 15/20 Swirl
14/19 to 15/20 Swirl
13/18 Swirl* or 13/18 Slimline**
13/18 Swirl* or 13/18 Slimline**
13/18 Swirl* or 13/18 Slimline**
13/18 Swirl* or 13/18 Slimline**
13/18 Swirl* or 13/18 Slimline**
13/18 Swirl* or 13/18 Slimline**
13/18 Swirl* or 13/18 Slimline**
13/18 Swirl* or 13/18 Slimline**
13/18 Swirl* or 13/18 Slimline**
13/18 Swirl* or 13/18 Slimline**
13/18 Swirl* or 13/18 Slimline**
14/19 Swirl
13/18 Swirl* or 13/18 Slimline**
13/18 Swirl* or 13/18 Slimline**
13/18 Swirl* or 13/18 Slimline**
13/18 Swirl* or 13/18 Slimline**
13/18 Swirl* or 13/18 Slimline**
11/19 Standard
10/18* to 11/19** Standard
10/18* to 11/19** Standard
11/19 Standard
11/19 Standard
14/17 Standard
14/17 Standard
14/17 Standard
14/17 Standard
14/17 Standard