Fleece Performance

Fleece Performance 01-04 GM Duramax LB7 Freedom Cylinder Head w/Cupless Injector Bore (Driver Side) - FPE-61-10001-D-CL

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SKU:
FPEFPE-61-10001-D-CL
UPC:
670875718142
MPN:
FPE-61-10001-D-CL
Availability:
Regularly stocked product
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$1,199.00
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Description

What is the best way to ensure proper installation of the FPE Freedom Cylinder Head?
Professional installation is strongly recommended for the FPE Freedom Cylinder Head to guarantee optimal performance and fitment for your 2001-2004 Silverado or Sierra.

How does the CNC-machined valve job benefit my engine?
The CNC-cut, multi-angle valve job precisely grinds valves for maximum airflow, directly translating to increased engine power and superior performance.

The Fleece Performance Freedom Cylinder Head delivers superior fuel atomization for maximum power and efficiency in 2001-2004 Chevrolet and GMC 2500/3500 models. Featuring a cupless injector bore within a new aluminum casting, these Heads provide a lighter, stronger foundation for enhanced engine longevity. Achieve optimal airflow and sealing for a smoother, more responsive engine with this advanced Heads upgrade.

Key Features

  • Cupless injector bore
  • New aluminum casting
  • New valves, valve guides, new springs, and new valve seals
  • Pressure and leak tested
  • Precision ground valves with a 45 degree angle
  • CNC cut, multi-angle valve job

Why Choose the FPE Freedom Cylinder Head

Delivers superior fuel atomization for maximum power and efficiency.

Provides a lighter, stronger foundation for enhanced engine longevity.

Achieves optimal airflow and sealing for a smoother, more responsive engine.

Ensures reliable performance and peace of mind with rigorous testing.

Who Is This For?

Street Performance — 8/10
CNC valve job maximizes airflow for increased power.

Engine Performance — 9/10
New components and precision grinding enhance engine output.

Racing Competition — 7/10
Performance-oriented design supports competitive engine demands.

Heavy Towing — 6/10
Improved airflow can benefit engine under load.

Track / Autocross — 7/10
Enhanced airflow and power are beneficial for track use.

Additional Resources

Official Fleece Performance Product Page

Installation Guide (PDF)

Important Notices

⚠️ CARB Notice: This product is NOT legal for street use in California under CARB (California Air Resources Board) regulations. For off-road or race use only.

⚠️ Proposition 65 Warning: This product can expose you to chemicals including lead and/or other substances known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, visit www.P65Warnings.ca.gov.

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Additional Information

CARB:
This product is not CARB Legal and not for sale in California
Clearance Item:
N
MPN:
FPE-61-10001-D-CL
Proposition 65:
Y
Case Lot Quantity:
1
Category:
Engine Components>Heads
Product Level:
Premium Performance
Street Performance:
8/10
Engine Performance:
9/10
Racing Competition:
7/10
Heavy Towing:
6/10
Track / Autocross:
7/10
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