Hedman Hedders BLACK LONG-TUBE E.O. HEADERS For 67-91 GM 4WD SB TRUCKS With A.I.R.
HEDMAN HEDDERS
SKU #HDM-63133
$1,655.26
Hedman Hedders BLACK LONG-TUBE E.O. HEADERS For 67-91 GM 4WD SB TRUCKS With A.I.R.The Hedman Hedders BLACK LONG-TUBE E.O. HEADERS For 67-91 GM 4WD SB TRUCKS With A.I.R. provides an efficient exhaust solution for small block Chevy-powered 4WD trucks. These long-tube headers are engineered for 50-state legal performance, specifically accommodating vehicles equipped with Air Injection Reactor (A.I.R.) systems for optimized flow and scavenging.
SKU
HDM-63133
Qty
Hedman Hedders BLACK LONG-TUBE E.O. HEADERS For 67-91 GM 4WD SB TRUCKS With A.I.R.
The Hedman Hedders BLACK LONG-TUBE E.O. HEADERS For 67-91 GM 4WD SB TRUCKS With A.I.R. provides an efficient exhaust solution for small block Chevy-powered 4WD trucks. These long-tube headers are engineered for 50-state legal performance, specifically accommodating vehicles equipped with Air Injection Reactor (A.I.R.) systems for optimized flow and scavenging.
Key Features
- Standard-duty mild steel construction with a classic black paint finish
- 1-5/8 inch primary tubes for increased exhaust velocity
- 3 inch ball-and-socket style collector for a secure, leak-free seal
- Design includes provisions for A.I.R. (Air Injection Reactor) emissions equipment
Fitment
- 1967-1987 Chevy/GMC 1/2 to 3/4 Ton 4WD Pickup Trucks, Blazers, and SUVs
- Compatible with 283-400 Small Block Chevy engines (Centered Engine Chassis only)
- Fits 1967-1991 GM 4WD Small Block trucks with factory A.I.R. systems
Note: Black paint is a temporary coating; headers require engine break-in and heat cycles for finish curing. Verify chassis and engine placement compatibility before ordering.
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