Fit 88-99 Chevy/GMC trucks and SUV (2WD & 4WD) 5.0L/5.7L(305/350 cu. in.) FEATURES:
- Full length design for power gain from mid to high RPM range
- Head flanges laser-cut from 5/16-inch thick steel plates
- Flanges flattened by hydraulic press for precise and leak-free seal
- All joints TIG welded for resistance against cracking and wearing
- Black paint coating that withstands up to 500 degrees Celsius
- Long transition collector for decreased back pressure
- Fully mandrel bent tubes made of 16-gauge mild steel
TECH SPECS: Header Type Long Tube / Full Length Primary Diameter 1-5/8 in. (42mm) Collector Diameter 2-1/2 in. (64mm) Head Flange Thickness 5/16 in. (8.0mm) Pipe Thickness 16 gauge (1.5mm) Material Mild Steel Finish Black Paint
- Please make sure if the parts can be fit for your car before purchase
- Professional installation recommended(No Instruction Included)
The use of header wraps can cause the header tubes to crack or rust due to excessive heat and moisture build-up. We do not recommend the use of header wraps as this will void the warranty.
NOTE: This header is equipped with a fitting to accept an oxygen sensor. Should you choose to install an O2 sensor, completion of the hole bore through the tube wall must be performed by a drill and/or air powered rotary file. long tube headers do not come with header reducers.
Note:The items you received are shown in the figure. If you have any questions later, please contact the after-sales staff in time