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#91013168
Speedway Adjustable Small Block Chevy IMCA Headers, Raw Finish
- Fits S/B Chevy
- Stepped header
- 1 5/8" to 1 3/4" primary, 3" collector
$217.99
/set
In Stock
Garage Sale alternatives: from $187.99
Quantity
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Product Summary
Chassis Header Tube Type, Round Exhaust Port Shape, Raw
- Fits S/B Chevy
- Stepped header
- 1 5/8" to 1 3/4" primary, 3" collector
- Includes 90 degree and 60 degree collectors, adjustable for power tuning and footbox location
- Includes gaskets and header bolts
Key Specs
| MFG. Part # | 91013168 |
| Header Tube Type | Chassis |
| Exhaust Port Shape | Round |
| Flange Style | Standard |
| Primary Tube Diameter | 1-5/8" |
Need To Know
Need help?
855.313.9176Quick and Easy Returns
Return PolicySpeedway Motors 91013168 Details
Speedway Motors 91013168 Details
Get your Modified breathing better and making maximum power for less money with Speedway adjustable IMCA headers. The stepped header design has adjustable-length primaries to allow for power tuning and variances in engine and foot box location. Adjustable pipe length allows you to shorten headers to work better on longer tracks, or leave pipes long for optimum performance on short tracks.
- Quality construction with black steel finish
- All the features of more expensive headers, without the high price tag
- Adjustable-length primary pipes for performance tuning
- Pipe length can be adjusted for foot box and engine location
- Fits IMCA Modifieds with a S/B Chevy standard exhaust port pattern
- Includes gaskets and header bolts
- 60-degree turnout on driver's side
- 90-degree turnout on passenger side
Charts
Header Dimension Chart (JPG)
Specs
CARB Warning
For race/ off road use only
CARB Warning
For race/ off road use only
Speedway Motors 91013168 Specifications
Speedway Motors 91013168 Specifications
| KEY SPECS | |
|---|---|
| MFG. Part # | 91013168 |
| Brand | Speedway Motors |
| Header Tube Type | Chassis |
| Exhaust Port Shape | Round |
| Flange Style | Standard |
| Primary Tube Diameter | 1-5/8" |
| Material Type | Steel |
| Color | Natural |
| Weld-Up | No |
| Collector Diameter | 3 Inch |
| Finish | Raw |
| Hardware Included | Yes |
| Gasket(s) Included | Yes |
| Collector Reducers Included | No |
| Collector Attachment Type | Slip fit |
| GENERAL | |
| Sold in Quantity | Set |
| Collector Length | 7.5" |
| Flange Thickness | 0.31" |
| Port Height | 1.51" |
| Port Width | 1.51" |
Ratings & Reviews
5
6 Reviews
Customers value our product for its excellent quality and practicality. They've found it particularly useful for dirt sports modifications, including fitting it on a 388 sbc and the metric frame modified. Appreciated for its adjustability, our product is also celebrated for its ease of customization, with users successfully cutting and welding to fit their chassis. They commend the inclusion of high-quality gaskets and bolts, clearly favoring our competitive pricing. Repeated purchases indicate customer satisfaction and confirmation of our product's superiority.
Ratings & Reviews
5
6 Reviews
Customers value our product for its excellent quality and practicality. They've found it particularly useful for dirt sports modifications, including fitting it on a 388 sbc and the metric frame modified. Appreciated for its adjustability, our product is also celebrated for its ease of customization, with users successfully cutting and welding to fit their chassis. They commend the inclusion of high-quality gaskets and bolts, clearly favoring our competitive pricing. Repeated purchases indicate customer satisfaction and confirmation of our product's superiority.
5
6 reviews
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6
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5.0
3 years ago
pickel
cincinnati ohio
Verified
i use on a dirt sport modifide with a 388 sbc..
Would Not Recommend
Great product
5.0
8 years ago
Dusty
West Virginia
Verified
Excellent
Would Recommend
Perfect fit
5.0
8 years ago
Marc200mph
Tioga, TX
Verified
Just what I needed for the metric frame modified, able to adjust length to fit car and very fast delivery time.
Would Recommend
Excellent product
5.0
9 years ago
Adam
Dublin ga
Verified
Very good
Would Recommend
Their great!
5.0
11 years ago
Racemayo2
Salt lake city
Verified
This were great to cut and weld to fit my chassis.
Would Recommend

Very nice headers.
5.0
12 years ago
PaceBrothersRacing
Undisclosed
Verified
Came with nice gaskets and bolts, not cheap stuff. Will buy again when need another set. Really like the price.
Would Recommend
Showing 6 of 6 reviews
Questions & Answers
Questions & Answers
4 Questions • 4 Answers
Hi, I want to use these to possibly make fender well headers on my 61 olds gasser. What is the furthest they will reach out on dimension A with the 90's? I'd like to make them reach behind the front wheels.
by Squawk
• 2 years ago
1 answer
View Answer
Can you order just the end pieces to these heades?
by Billy
• 9 years ago
1 answer
View Answer
any idea if these will fit a 2000 D&M chassis? if so, consider them sold!!
by Randy
• 10 years ago
1 answer
View Answer
dimensions of part # 91013168 I need to know the header chart dimensions A and B. These headers look like they will work for a vintage open wheel center steer dirt modified I'm working on. But the frame rail could be close, with A and B I will know the headers will clear. Thank you, Jamie
by jamie99
• 12 years ago
1 answer
View Answer
4 of 4 questions shown
Fitment
Fitment
1959 Chevy 3A
2-Piece Rear Main Chevy 283
1959 Chevy 3B
2-Piece Rear Main Chevy 283
1959 Chevy 3C
2-Piece Rear Main Chevy 283
1959 Chevy 3D
2-Piece Rear Main Chevy 283
1959 Chevy 3E
2-Piece Rear Main Chevy 283
1959 Chevy 3F
2-Piece Rear Main Chevy 283
1959 Chevy 3G
2-Piece Rear Main Chevy 283
1957-1967 Chevy Bel Air
2-Piece Rear Main Chevy 283
1970-1975 Chevy Bel Air
2-Piece Rear Main Chevy 400
1958-1967 Chevy Biscayne
2-Piece Rear Main Chevy 283
1970-1972 Chevy Biscayne
2-Piece Rear Main Chevy 400
1958-1961 Chevy Brookwood
2-Piece Rear Main Chevy 283
1970-1972 Chevy Brookwood
2-Piece Rear Main Chevy 400
1960-1967 Chevy C10
2-Piece Rear Main Chevy 283
1976-1980 Chevy C10
2-Piece Rear Main Chevy 400
1960-1967 Chevy C10 Suburban
2-Piece Rear Main Chevy 283
1960-1967 Chevy C20
2-Piece Rear Main Chevy 283
1976-1980 Chevy C20
2-Piece Rear Main Chevy 400
1960-1967 Chevy C20 Suburban
2-Piece Rear Main Chevy 283
1976-1980 Chevy C20 Suburban
2-Piece Rear Main Chevy 400
1960-1967 Chevy C30
2-Piece Rear Main Chevy 283
1976-1979 Chevy C30
2-Piece Rear Main Chevy 400
1966-1967 Chevy Caprice
2-Piece Rear Main Chevy 283
1970-1976 Chevy Caprice
2-Piece Rear Main Chevy 400
1964-1967 Chevy Chevelle
2-Piece Rear Main Chevy 283
1970-1973 Chevy Chevelle
2-Piece Rear Main Chevy 400
1963-1967 Chevy Chevy II
2-Piece Rear Main Chevy 283
1957-1961 Chevy Corvette
2-Piece Rear Main Chevy 283
1957-1958 Chevy Del Ray
2-Piece Rear Main Chevy 283
1959-1960 Chevy El Camino
2-Piece Rear Main Chevy 283
1964-1967 Chevy El Camino
2-Piece Rear Main Chevy 283
1970-1976 Chevy El Camino
2-Piece Rear Main Chevy 400
1970 Chevy Estate
2-Piece Rear Main Chevy 400
1976 Chevy G10
2-Piece Rear Main Chevy 400
1975-1980 Chevy G20
2-Piece Rear Main Chevy 400
1967 Chevy G20 Van
2-Piece Rear Main Chevy 283
1975-1980 Chevy G30
2-Piece Rear Main Chevy 400
1958-1967 Chevy Impala
2-Piece Rear Main Chevy 283
1970-1976 Chevy Impala
2-Piece Rear Main Chevy 400
1960-1967 Chevy K10
2-Piece Rear Main Chevy 283
1975-1980 Chevy K10
2-Piece Rear Main Chevy 400
1960-1967 Chevy K10 Suburban
2-Piece Rear Main Chevy 283
1975-1979 Chevy K10 Suburban
2-Piece Rear Main Chevy 400
1960-1967 Chevy K20
2-Piece Rear Main Chevy 283
1975-1980 Chevy K20
2-Piece Rear Main Chevy 400
1967 Chevy K20 Panel
2-Piece Rear Main Chevy 283
1960-1967 Chevy K20 Suburban
2-Piece Rear Main Chevy 283
1975-1980 Chevy K20 Suburban
2-Piece Rear Main Chevy 400
1977-1980 Chevy K30
2-Piece Rear Main Chevy 400
1975-1979 Chevy K5 Blazer
2-Piece Rear Main Chevy 400
1959-1961 Chevy Kingswood
2-Piece Rear Main Chevy 283
1970-1972 Chevy Kingswood
2-Piece Rear Main Chevy 400
1973-1976 Chevy Laguna
2-Piece Rear Main Chevy 400
1964-1967 Chevy Malibu
2-Piece Rear Main Chevy 283
1973-1976 Chevy Malibu
2-Piece Rear Main Chevy 400
1970-1976 Chevy Monte Carlo
2-Piece Rear Main Chevy 400
1975-1976 Chevy Monza
2-Piece Rear Main Chevy 262
1957-1961 Chevy Nomad
2-Piece Rear Main Chevy 283
1975 Chevy Nova
2-Piece Rear Main Chevy 262
1957 Chevy One-Fifty Series
2-Piece Rear Main Chevy 283
1976 Chevy P30
2-Piece Rear Main Chevy 400
1961-1962 Chevy P30 Series
2-Piece Rear Main Chevy 283
1959-1961 Chevy Parkwood
2-Piece Rear Main Chevy 283
1957-1958 Chevy Sedan Delivery
2-Piece Rear Main Chevy 283
1960-1967 Chevy Suburban
2-Piece Rear Main Chevy 283
1970-1972 Chevy Townsman
2-Piece Rear Main Chevy 400
1957-1958 Chevy Truck
2-Piece Rear Main Chevy 283
1960 Chevy Truck
2-Piece Rear Main Chevy 283
1957 Chevy Two-Ten Series
2-Piece Rear Main Chevy 283
1958 Chevy Yeoman
2-Piece Rear Main Chevy 283
1966 GMC 1000
2-Piece Rear Main Chevy 283
1960 GMC 1000 Series
2-Piece Rear Main Chevy 283
1962-1965 GMC 1000 Series
2-Piece Rear Main Chevy 283
1960-1965 GMC 1500 Series
2-Piece Rear Main Chevy 283
1966 GMC 2500
2-Piece Rear Main Chevy 283
1960-1965 GMC 2500 Series
2-Piece Rear Main Chevy 283
1960-1966 GMC 3000
2-Piece Rear Main Chevy 283
1960-1966 GMC 3500
2-Piece Rear Main Chevy 283
1967 GMC C25/C2500 Pickup
2-Piece Rear Main Chevy 283
1967 GMC C25/C2500 Suburban
2-Piece Rear Main Chevy 283
1967 GMC C35/C3500 Pickup
2-Piece Rear Main Chevy 283
1973-1974 GMC C35/C3500 Pickup
2-Piece Rear Main Chevy 400
1975-1978 GMC K15
2-Piece Rear Main Chevy 400
1975-1978 GMC K15 Suburban
2-Piece Rear Main Chevy 400
1967-1974 GMC K15/K1500 Pickup
2-Piece Rear Main Chevy 400
1967-1974 GMC K15/K1500 Suburban
2-Piece Rear Main Chevy 400
1979-1980 GMC K1500 Suburban
2-Piece Rear Main Chevy 400
1975-1978 GMC K25
2-Piece Rear Main Chevy 400
1975-1978 GMC K25 Suburban
2-Piece Rear Main Chevy 400
1967 GMC K25/K2500 Pickup
2-Piece Rear Main Chevy 283
1973-1974 GMC K25/K2500 Pickup
2-Piece Rear Main Chevy 400
1967 GMC K25/K2500 Suburban
2-Piece Rear Main Chevy 283
1973-1974 GMC K25/K2500 Suburban
2-Piece Rear Main Chevy 400
1979-1986 GMC K2500 Suburban
2-Piece Rear Main Chevy 400
1967 GMC K35/K3500 Pickup
2-Piece Rear Main Chevy 283
1973-1974 GMC K35/K3500 Pickup
2-Piece Rear Main Chevy 400
1966 GMC P1000
2-Piece Rear Main Chevy 283
1973-1977 GMC Sprint
2-Piece Rear Main Chevy 400
1955-1966 GMC Suburban
2-Piece Rear Main Chevy 283
1956-1960 GMC Truck
2-Piece Rear Main Chevy 283
1965-1966 Studebaker Commander
2-Piece Rear Main Chevy 283
1965-1966 Studebaker Cruiser
2-Piece Rear Main Chevy 283
1965-1966 Studebaker Daytona
2-Piece Rear Main Chevy 283
1966 Studebaker Wagonaire
2-Piece Rear Main Chevy 283

