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I.M.C.A. Modified Adjustable Headers 
Application Chart
| Chassis |
161-68 |
161-98 |
161-98H |
| Dirtworks |
|
|
X |
| Flexiflyer |
X |
|
|
| GRT |
X |
|
|
| Harris |
|
|
X |
| Kosiski |
|
|
X |
| Pro-Chassis |
X |
|
|
| Sardeson |
X |
|
X |
| Smileys |
X |
X |
X |
| Speedway |
|
|
X |
|
|
Standard Chevy
|
Tube Diameter |
Collector Dia/Length |
Price |
| SCH161-68 |
1 5/8" - 1 3/4" |
3" x 8" |
$169.95 |
| SCH161-98 |
1 5/8" - 1 3/4" |
3" x 8" |
$169.95 |
| SCH161-98H |
1 5/8" - 1 3/4" |
3" x 8" |
$169.95 |
|

Long
Tube IMCA Headers 
Longer primaries for maximum torque and horsepower. P/N
1176 fits Dirtworks, Harris, Hoffman, Larry
Shaw, & Lightning. P/N 1186
fits Dirtworks, Hoffman, Jet, Sareson & Smileys.
| Part # |
Tube
Dia |
Collector
Dia/Length |
Price |
| SCH1176 |
1
3/4 inch |
3
1/2 inch x 8 |
$199.95 |
| SCH1186 |
1
3/4 inch |
3
1/2 inch x 8 |
$199.95 |
|
|
|
|

IMCA
Muffler  Approved for I.M.C.A. Muffler slides into
3" or 3 1/2" collectors. 6" long.
| Part # |
Description |
Price |
|
SCHIMCA609 |
IMCA
Muffler |
$29.95 |
|
|

Turn Outs
| Part # |
Size |
Length
|
Price |
| SCH2525
|
2.5"
I.D.
|
9"
|
$17.95
|
| SCH3025
|
3" I.D.
|
9"
|
$17.95
|
| COLAA-300
|
3" O.D.
|
13"
|
$19.95
|
| SCH3525
|
3.5" I.D.
|
10"
|
$17.95
|
|
|

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