TUNNEL PORTING & CASE MACHINING

Extensive machining of the upper crank case gives increased flow and HP throughout the range. Should be used with 44mm carbs and intake minimum. Send case, intake with rubbers and carbs.

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TUNNEL PORTING & CASE MACHINING
Grouped product items
Product Name   Model Price Qty
Trail Tunnel Port RV Cover Oil Injected
1031400-2
$110.25
Race Tunnel Port RV Cover Oil Injected
1034100
$161.00
2 Cylinder Trail Tunnel Porting
1031700-1
$141.75
2 Cylinder Race Tunnel Porting
1031800-1
$278.25
3 Cylinder Base Tunnel Porting
1032500-1
$278.25
1006/1019 Case Machining & Porting
1031850
$1,100.00
Machine Rotax Base For Nippon Denso Ignition
1031125
$110.00
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