JEGS 555-30069 GM LS Engine Swap Headers for 1967-1999 GM Pickup Trucks [Black] Includes:

• (12) M8-1.25 x 25.4 UHL with 13 mm Hex Flange Head
• (1) LS Header Flange Gaskets (1-Pair)

JEGS 555-30069 GM LS Engine Swap Headers for 1967-1999 GM Pickup Trucks [Black] Features:

• Heavy-Duty 3/8 in. thick flanges to prevent warpage
• 16-gauge 1 3/4 in. O.D. primary tube diameter
• O2 sensor bungs welded on both collectors
• Excellent spark plug access

JEGS 555-30069 GM LS Engine Swap Headers for 1967-1999 GM Pickup Trucks [Black] Recommended Engine Mounts:

• JEGS LS Engine Swap Motor-Mount Adapters. Adapts Small Block Chevy Motor-Mounts to LS-Series Engine 555-50538
• JEGS Solid Engine Mounts. Small Block Chevy 555-50511
• JEGS Solid Frame Mount Pads. Small Block Chevy 555-50521

JEGS 555-30069 GM LS Engine Swap Headers for 1967-1999 GM Pickup Trucks [Black] Notes:

• Will not fit 1988-1999 4-wheel drive Chevy & GMC Trucks
• O2 Sensors may need to be relocated on some applications
  
• These headers are intended for racing and off-road applications only
  
• Not legal for sale or use in the state of California

Special Exhaust Headers Notes:

• Due to variations in engine and vehicle configurations, installation of aftermarket headers may require minor modifications
• Common adjustments include power-steering or A/C bracket relocation, dipstick tube modification, or clearance for steering shaft and clutch linkage
• Inspect for worn or collapsed motor mounts, and verify clearance for spark plugs, wires, brake lines, and transmission or fuel lines
• Always test-fit headers before painting or coating to ensure proper alignment and clearance
• Re-torque after initial heat cycles

FAQ

Do all LS engines use the same headers?

No, JEGS headers, like the 30069, are designed for LS engines but may vary in fitment. It's crucial to choose headers compatible with your specific LS engine model and application, whether for a swap or a truck.

What's the best LS engine to swap?

The ideal LS engine for a swap depends on your performance goals and application. Popular choices include the LS1, LS3, and LS7, each offering unique features for different needs. Consider factors such as power, torque, and budget.

Is it worth upgrading headers?

Absolutely. Upgrading to JEGS LS headers, like the 30069, enhances exhaust flow, improving engine efficiency, power, and sound. It's a worthwhile investment for any LS engine enthusiast, especially those considering an LS swap or upgrading headers on their truck.

How much HP does long tube headers add to LS1?

JEGS long tube headers, such as the 30069 for LS engines, can add significant horsepower gains, typically ranging from 10 to 25 horsepower. Actual results may vary based on other modifications and tuning.

Emissions Note:

This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.

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