| Air Conditioning |
Yes, Yes, Yes |
| Application |
Automotive |
| Automatic Transmission - Column |
Yes, Yes, Yes |
| Automatic Transmission - Floor |
Yes, Yes, Yes |
| Bolts/Studs Included |
Yes, Yes, Yes |
| California Proposition 65 |
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov |
| Catalytic Converter(s) Included |
NO, No, No |
| Close Ratio Steering Box |
YES, YES |
| Coating/Finish |
Satin Black Ceramic |
| Collector Attachment |
3", 3 in., 3 in. |
| Collector Bolts Included |
Yes, Yes, Yes |
| Collector Diameter |
3 in., 3 in. |
| Collector Size |
3", 3 in., 3 in. |
| Collector Style |
Ball and Socket Style (Gasketless), BALL and SOCKET Style (Gasketless), BALL and SOCKET Style (Gasketless) |
| Collector Tube Size (in.) |
3 |
| Contents |
Header(s), new bolts, gasket(s) to head, reducer(s) and hardware, instructions, Header(s), new bolts, gasket(s) to head, reducer(s) and hardware, instructions, Header(s), new bolts and gasket(s) to head, reducer(s) and hardware, instructions |
| Country of Origin (Primary) |
US |
| Crossover Pipe Included |
NO, No, No |
| Cylinder Head |
Stock Profile Heads, Stock Profile Heads, Stock Profile Heads |
| Cylinder Head Port Shape |
Oval, Oval, Oval |
| E.O. # |
No, No |
| Emission Code |
Not in CA |
| Emissions Notes |
NOT LEGAL FOR STREET USE ON '75-LATER MODEL YEARS! Legal for off-road use only., NOT LEGAL FOR STREET USE ON '75-LATER MODEL YEARS! Legal for off-road use only., Not Legal For Street Use on '75-Later Model Years! Legal for off-road use only. |
| Engine Make/Size |
Chevy Small Block (283-400) |
| Exhaust System Dia |
2-1/2", 2-1/2 in., 2-1/2 in. |
| Finish |
BLACK MAXX Satin Black Ceramic-Metallic, BLACK MAXX Satin Black Ceramic-Metallic |
| Finish Type |
BLACK MAXX- Black Ceramic-Metallic Coating, BLACK MAXX- Black Ceramic-Metallic Coating, BLACK MAXX- Black Ceramic-Metallic Coating |
| Flange Style |
Standard, Standard, Standard |
| Flange Thickness |
0.3125", 0.3125 in., 0.3125 in. |
| Footnotes |
16. Not For Use with Clam Shell Style Engine Mount Pads., 16. Not For Use with Clam Shell Style Engine Mount Pads. |
| Gasket # |
27500 |
| Gasket Or Seal Included |
Yes, Yes, Yes |
| Harmonized Tariff Code (Schedule B) |
8708925000 |
| Hazardous Material Code |
N |
| Head Flange Gasket |
27500 |
| Header Construction |
Standard-Duty, MILD STEEL- Standard-Duty |
| Header Fasteners Included |
Yes, Yes |
| Header Finish |
BLACK MAXX Satin Black Ceramic-Metallic, BLACK MAXX Satin Black Ceramic-Metallic, BLACK MAXX Satin Black Ceramic-Metallic |
| Header Material |
Mild Steel, Mild Steel, Mild Steel |
| Header Port Shape |
Oval Port, Oval Port, Oval Port |
| Header Style |
Long Tube, Long Tube |
| Installation Hardware Included |
Yes, Yes, Yes |
| Key Feature |
Close-Ratio Steering Box, Close-Ratio Steering Box, Close-Ratio Steering Box |
| Life Cycle Status Code |
Available to Order |
| Manual Transmission - Column |
No, No, No |
| Manual Transmission - Floor |
Yes, Yes, Yes |
| Material |
Mild Steel, Mild Steel |
| Motor Mounts (Included) |
NO, No |
| Motor Mounts Included |
NO, No, No |
| Mounting Hardware Included |
Yes, Yes, Yes |
| NAFTA Preference Criterion Code |
B |
| Notes |
67-81 Camaro; 68-79 Nova 283-400; Close Ratio, 67-81 Camaro; 68-79 Nova 283-400; Close Ratio, 67-81 Camaro; 68-79 Nova 283-400; Close Ratio |
| Package Contents |
Header(s), new bolts and gasket(s) to head, reducer(s) and hardware, instructions, Headers, ball and socket reducers (exhaust adapters), gaskets, mounting hardware, Headers, ball and socket reducers (exhaust adapters), gaskets, mounting hardware |
| Port Shape |
Oval, Oval, Oval |
| Power Steering |
Yes, Yes, Yes |
| Primary Tube Diameter (in) |
1.625", 1.625 in., 1.625 in. |
| Primary Tube Gauge |
18g, 16g, 16g |
| Product Info |
This set of headers has been designed specifically for use on vehicles with a "close ratio" steering box., This set of headers has been designed specifically for use on vehicles with a close-ratio steering box., This set of headers has been designed specifically for use on vehicles with a close-ratio steering box. |
| Quantity |
Sold as a pair., Sold as a pair., Sold as a pair. |
| Reducer Outlet Size |
2-1/2", 2-1/2 in., 2-1/2 in. |
| Reducers Included |
Yes, Yes, Yes |
| Replacement Gasket |
27500, 27500, 27520 |
| Replacement Head Flange Gasket |
27520, 27500 |
| SDR Required Flag |
N |
| Transmission Mount Included |
NO |
| Transmission Mount/Crossmember (Included) |
No, No |
| Transmission Mount/Crossmember Included |
No |
| Tube Design |
LONG TUBE, LONG TUBES (close ratio steering), LONG TUBES, Standard |
| Tube Diameter |
1-5/8 in., 1-5/8" |
| Tube Direction |
Down Swept |
| Tube Length |
Long Tubes, Long Tubes, Long Tubes |
| Tube Material Thickness |
18g, 16g, 16g |
| Tube Size |
1.625, 1-5/8", 1-5/8", 1-5/8 in., 1-5/8 in. |
| Tube Style |
Long Tubes (close ratio steering), Long Tubes, Long Tube (close ratio steering), Long Tubes |
| Tuned |
NO, No, No |
| Variations |
68670, 68670, 68670 |
| Weld-Up |
No, No, No |
| with A.I.R. |
No |
| with A.I.R. System |
No, No, No |
| with EGR |
No, No, No |
| Y-Pipe Included |
No, No, No |
| GTIN |
00732611686730 |
