265-400 Small Block V8 (with dual smog pump fittings)
Application notes: 2WD or 4WD | Will not fit torsion bar front suspension | Automatic transmission only | Fit with straight or angle plug heads | Will not seal properly on D-port cylinder heads
1973-87 Chevrolet Pickup Truck / Suburban / Blazer / Jimmy
Application notes: 2WD only | Fit with straight or angle plug heads | Will not seal properly on D-port cylinder heads
Header Style: 4:2:1 Long Tube Tri-Y Headers
Finish: Silver Ceramic Coated
Weld Up: Yes, adapters must be welded to exhaust system
Primary Tube Diameter (in): 1-5/8"
Primary Tube Gauge: 14 Gauge
Collector Attachment: 3-Bolt Flange
Collector Diameter: 2-1/2"
Flange Thickness: 3/8"
Bolts and/or Studs Included: Yes
Gaskets Included: Yes
Reducers/Adapters Included: Yes
Y-Pipe (Crossover) Included: No
Quantity: Sold as a Pair
CARB E.O. #: D-540-5 (1975-1988 TRUCKS, 262-400 ENGINES)
Warranty: Limited Lifetime to original purchaser
Unless otherwise noted, these headers are designed to fit the vehicle as it came from the manufacturer. This includes components like cylinder heads, chassis, steering, motor mounts, body mounts and bushings, etc. If your vehicle is using aftermarket components, parts from other applications, or custom altered parts, then it is the installer's responsibility to verify fitment.
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