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044 Heads
Description CFM Part# Bore (mm) Ports (mm) Springs Valves Retainers
044 Head
55cc / 59cc
126 1435*
1444
1446
1447

1440
1442
1443

1448
1449
Std.
Std.
90.5/92
94
Std.
90.5/92
94
90.5/92
94
40 x 35.5
40 x 35.5
40 x 35.5
40 x 35.5
40 x 35.5
40 x 35.5
40 x 35.5
40 x 35.5
42 x 37.5

Single
Single
Single
Single
Dual
Dual
Dual
Dual
Dual

Stainless
Steel
Chromoly
CNC Ported
Super Mag
Round Port

67cc / 63cc
149 1396
1397
1398
Std.
90.5/92
94
40 x 35.5
40 x 35.5

Dual
Optional:
VW650

Stainless
Steel
Chromoly
Optional:
Titanium
CNC Ported
Ultra Mag Plus

62cc / 82cc
177 1450
1451
1457
1458
90.5/92
94
90.5/92
94
42 x 37.5
42 x 37.5
44 x 37.5
44 x 37.5
Dual
Optional:
VW650
Stainless
Steel
Chromoly
Optional:
Titanium
CNC Ported
Mini Wedge Port

65cc / 77cc
194.5 1420
1421
90.5/92
94
42 x 37.5
42 x 37.5
Dual
Optional:
VW650
Stainless
Steel
Chromoly
Optional:
Titanium
CNC Ported
Wedge Port

66cc / 81cc
205 1432
1433
1410
1411

1413*
1414*

1417

90.5/92
90.5/92
94
94
94
94
94

42 x 37.5
44 x 37.5
42 x 37.5
44 x 37.5
42 x 37.5
44 x 37.5
44 x 37.5


Dual
Optional:
VW650


VW650

Stainless
Steel


Chromoly
Optional:
Titanium



Titanium

CNC Ported
Super Pro

66cc / 75cc
210 1422
1423
92
94
44 x 37.5
44 x 37.5
Dual
Optional:
VW650
Stainless
Steel
Chromoly
Optional:
Titanium
CNC Ported
Ultra Wedge

69cc / 85cc
224 1409 94 46 x 37.5 VW650 Stainless
Steel
Titanium

* = Bare Head ✓ = Each Head is stamed with a Pro-Gas Serial Number, making it legal to run in competition

Street Eliminator Heads
Description CFM Part# Bore (mm) Ports (mm) Springs Valves Retainers
Street
Eliminator

65cc / 74cc
199 1482*
1484*

1494**
1496**

92
94
92
94


Dual
Optional:
VW650

Stainless
Steel
Chromoly
Optional:
Titanium
1483
1485
1487
1488
1489
90.5
92
94
92
94
42 x 37.5
42 x 37.5
42 x 37.5
44 x 37.5
44 x 37.5
CNC Ported
Street Eliminator

65cc / 74cc
199 1540
1542
1543
1541

1544
92
92
94
94
94

42 x 37.5
44 x 37.5
42 x 37.5
44 x 37.5
46 x 37.5

Dual
Optional:
VW650

Stainless
Steel
Chromoly
Optional:
Titanium

* = Bare Head ** = Castings Only - No Guides/Seats

Comp Eliminator Heads
Description CFM Part# Bore (mm) Ports (mm) Springs Valves Retainers
Comp
Eliminator

54cc / 136cc
264 1460**
1459**

1466*
1467*
1468*
1469*

90.5/92
94
92
92
94
94
42 x 38
42 x 38
42 x 38
44 x 38
44 x 38
46 x 38


















1461
1462
1463
1464
90.5/92
90.5/92
94
94
42 x 38
44 x 38
44 x 38
46 x 38
Race
Master
Optional:
K-Motion
Race
Master
Optional:
K-Motion
Chromoly - 10°
Optional:
Titanium
CNC Ported
Comp Eliminator

54cc / 136cc
264 1405*
1406*
1407*
1408*

94
94
94
94
46 x 38
46 x 40
48 x 38
48 x 40







1426
1427
1428
1429
94
94
94
94
46 x 38
46 x 40
48 x 38
48 x 40
Race
Master
Optional:
K-Motion
Race
Master
Optional:
K-Motion
Chromoly - 10°
Optional:
Titanium
CNC Ported
Race Ready
Comp Eliminator

54cc / 136cc
264 1425 94

(4 Size
Options)

K-Motion
K-800

Titanium
Titanium - 10°

* = Bare Head ** = Castings Only - No Guides/Seats

Strip Dominator Heads
Description CFM Part# Bore (mm) Ports (mm) Springs Valves Retainers
CNC Ported
Strip Dominator

__cc / __cc
300 1606
94
50 x 38
K-Motion
K-800
Titanium
Titanium - 10°




CNC Ported Head Flow Chart


Use the head chart specs below to help find an ideal Performance Cylinder Head for your application.