SPOOLOGIC Stage 2 Performance Turbocharger

The SPOOLOGIC Stage 2 B2BV Turbocharger SL-100-064 is a performance upgrade for 2017-2023 Chevrolet Silverado and GMC Sierra 2500 3500 pickups with the 6.6L Duramax L5P. A larger billet compressor wheel gives higher-output L5P builds additional airflow capacity while retaining the factory-style mounting arrangement, supporting approximately 650-700 rear-wheel horsepower with matched tuning, fueling, and supporting modifications.

⚠️ Custom tuning required before operation. See tuning requirements below.

Features

• Brand new, no core charge
• Direct-fit installation using factory connections
• 11-blade billet aluminum compressor wheel
• 10-blade turbine assembly
• Journal bearings, 360-degree thrust bearing, and piston-ring seals
• New VGT unison ring and vanes
• 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-100-064
• 1 SPOOLOGIC Turbo Installation Gasket Kit — SL-310-251
• 1 SPOOLOGIC Oil Feed Line — SL-350-024
• 1 SPOOLOGIC Upper Oil Drain Line — SL-350-033
• 1 SPOOLOGIC Turbo to Catalytic Converter V-Band Clamp — SL-330-036

Electronic actuator not included.

Reuse the existing turbo pedestal; a pedestal is not included.

Fitment

• 2017-2023 Chevrolet Silverado GMC Sierra 2500 3500 6.6L Duramax L5P
• 2019-2023 Chevrolet Silverado 4500 5500 6500 6.6L Duramax L5D

Compare the Stage 1 SL-100-063 for other configurations in this application range.

Tuning and Supporting Modifications

⚠️ Custom Tuning and Supporting Modifications: Custom tuning is required before operating the vehicle. Fuel delivery, intake airflow, charge-air capacity, and exhaust flow must be matched to the intended power level. Additional upgrades may be needed to achieve the listed power-support range; the turbocharger alone does not produce that output.

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 650–700 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: 11 full-length blades with no splitters
• Compressor inducer: 67 mm
• Compressor exducer: 92.5 mm
• Extended tip: 96.2 mm
• Material: 5-axis CNC-machined billet aluminum

Turbine Shaft

• Turbine inducer: 75.5 mm
• Turbine exducer: 70.4 mm
• Turbine blade count: 10
• Material: High-nickel Inconel

Upgraded Internals

• Upgraded journal bearings
• 360° thrust bearing
• Piston-ring seals

High-Speed VSR Balancing

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

VGT Control System

The listed L5P and L5D engines use an electronically controlled variable-geometry turbo system. The unison ring moves the turbine vanes to vary exhaust flow through the housing as engine load and speed change. A new unison ring and vanes are installed in this turbocharger. Factory-equipped VGT exhaust-brake operation is supported with the appropriate vehicle calibration.

Reuse a serviceable VGT actuator or obtain the correct replacement.

⚠️ After transferring or installing the VGT actuator, complete the applicable GM turbocharger learn procedure.

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

• BorgWarner: 12709881080
• BorgWarner: 12709881081
• GM: 12679694
• GM: 12683985
• GM: 12683993
• GM: 12689094
• GM: 12698537
• GM: 12707579
• GM: 12708954
• GM: 12709175
• GM: 12723083
• GM: 12723305

⚠️ 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.