SPOOLOGIC Stage 1 Performance Turbocharger (Federal Emissions)

The SPOOLOGIC Stage 1 RHG6 Turbocharger SL-100-052 is a performance upgrade for 2001-2004 Chevrolet Silverado and GMC Sierra 2500 3500 pickups with the 6.6L Duramax LB7 and Federal emissions. Its billet compressor wheel and upgraded turbine provide added airflow capacity for modified LB7 builds, supporting approximately 600-625 rear-wheel horsepower with matched tuning, fueling, and supporting modifications.

⚠️ Custom tuning is highly recommended. See tuning recommendations below.

Features

• Brand new, no core charge
• Direct-fit installation using factory connections
• 6+6 billet aluminum compressor wheel
• 11-blade turbine assembly
• Upgraded journal bearings, 360° thrust bearing, and step-gap seal rings
• Internally wastegated housing with a new actuator
• Ceramic-coated turbine housing and center-section exterior
• Raw, red, or black compressor housing options
• High-speed VSR balanced

What's Included

• 1 SPOOLOGIC Turbocharger — SL-100-052
• 1 SPOOLOGIC Wastegate Actuator
• 1 SPOOLOGIC Turbo Installation Gasket Kit — SL-310-201
• 1 SPOOLOGIC Oil Feed Line — SL-350-020
• 1 SPOOLOGIC Oil Drain Line — SL-350-030
• 1 SPOOLOGIC Downpipe to Exhaust Pipe V-Band Clamp — SL-330-030

Fitment

• 2001-2004 Chevrolet Silverado GMC Sierra 2500 3500 6.6L Duramax LB7
• Federal emissions applications

Compare the Stock SL-100-050 and Stock Plus SL-100-051 for other configurations in this application range.

Tuning and Supporting Modifications

⚠️ Custom Tuning Highly Recommended: Custom tuning is highly recommended to match this Stage 1 turbocharger to the engine, intended use, and supporting components.

Supporting Modifications: Upgrade components as needed to support your intended power level.

• Larger injectors and fuel-system upgrades may be needed to reach the listed power range.
• Intake and intercooler upgrades may be needed to reach the listed power range.
• Adequate exhaust flow and sealed exhaust connections.
• Boost and exhaust-gas-temperature monitoring during setup and loaded operation.

SPOOLOGIC does not provide custom tuning services. Customers are responsible for arranging application-appropriate tuning with a qualified tuning provider.

Power Support

Approximately 600–625 rear-wheel horsepower with a properly matched build. This is total power-support capacity, not a promised horsepower increase. Actual output depends on engine condition, fuel delivery, calibration, and the complete vehicle combination.

Compressor Wheel

• Blade design: 6+6
• Compressor inducer: 63 mm
• Compressor exducer: 86.5 mm
• Extended tip: 90.7 mm
• Material: 5-axis CNC-machined billet aluminum

Turbine Shaft

• Turbine inducer: 69.4 mm
• Turbine exducer: 67.5 mm
• Turbine blade count: 11
• Material: High-nickel Inconel

Upgraded Internals

• Upgraded journal bearings
• 360° thrust bearing
• Step-gap seal rings

High-Speed VSR Balancing

The rotating assembly is high-speed VSR balanced before shipment for smooth, consistent operation.

Wastegate Control

The RHG6 turbine housing uses an internal wastegate. A new wastegate actuator is installed and tested before shipment.

Coatings and Finish Options

The turbine housing and center-section exterior are ceramic coated to help manage radiant heat and resist oxidation. Heat reduction varies with operating conditions. The finish options below apply only to the compressor housing.

• Raw: Natural aluminum compressor housing with no exterior coating
• Red: Red powder-coated compressor housing
• Black: Black powder-coated compressor housing

OEM Cross-References

• GM: 97307711
• GM: 97720748

⚠️ Emissions Notice

Not CARB approved. Not legal for sale or use in the state of California.

1-Year Limited Warranty

Every SPOOLOGIC turbocharger carries a one-year limited warranty against defects in materials and workmanship from the original purchase date. Coverage applies to the original purchaser with dated proof of purchase. Contact SPOOLOGIC for return authorization before shipping the turbocharger for inspection. If inspection confirms a covered defect, SPOOLOGIC will repair or replace the turbocharger at its discretion. Coverage excludes damage caused by foreign-object debris, oil starvation, contaminated or restricted oil supply or drainage, extended oil-change intervals, overboosting, overspeed, overfueling, excessive exhaust temperatures, improper installation or startup, improper tuning or repairs, or operation outside the listed application or intended operating range. Normal cosmetic wear, coating discoloration, and heat-cycling marks are not covered. Customers pay shipping to SPOOLOGIC and return shipping, whether the claim is approved or denied. Labor, diagnostics, removal, reinstallation, towing, downtime, and other related expenses are not covered. See the SPOOLOGIC Warranty Policy for complete terms and claim procedures.