Turbochargers

When you are ready for the next level, we have what you need!

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6.5L Parts Specialists

We have you covered!

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Quadstar GEP Optimizer 6500

Complete Engines

We stock complete Optimizer engines and parts thereof

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Reliability

When factory parts fail, we have a solution!

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ARP Fastners

Our unmatched supply of unique fastners is proudly made in the USA by ARP!

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Quadstar GEP Optimizer 6500

In House Tuning

International Shipping

Frequent New Products

Constantly Innovating

Featured Items

NEW or Featured Items

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6.5L OBDI Multi-Position Tuner for 1994-1995
Quadstar Tuning

6.5L OBDI Multi-Position Tuner for 1994-1995

Out of stock
$600.00 USD
ARP Motor Mount Thru Bolts
ARP

ARP Motor Mount Thru Bolts

In stock
$24.97 USD
P400 6.5L Cylinder Head
AM General

P400 6.5L Cylinder Head

In stock
$1,500.00 USD
Sale
6.5L DB2 Throttle Cable
Quadstar Tuning

6.5L DB2 Throttle Cable

In stock
$122.57 USD
$129.99 USD $122.57 USD
6.5L Gapless Piston Ring Kit
Total Seal

6.5L Gapless Piston Ring Kit

In stock
$400.00 USD
6.5L OBDI Single Tune for 1994-95
Quadstar Tuning

6.5L OBDI Single Tune for 1994-95

In stock
$350.00 USD
Sale
Fluidampr and Big Ass Balancer Bolt Kit
Quadstar Tuning

Fluidampr and Big Ass Balancer Bolt Kit

In stock
$549.97 USD
$634.29 USD $549.97 USD
Cometic MLS 6.5L Head Gasket
Cometic Gaskets

Cometic MLS 6.5L Head Gasket

In stock
$150.00 USD

Products by Collection

All collections
Cooling

Cooling

Radiators, oil cooler lines, transmission coolers and all related components
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Custom Tuning

Custom Tuning

Custom tuning and tuners for your 6.5L turbo diesel. All work is performed in-house and tailored to your needs!
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Engine Electronics

Engine Electronics

Sensors, wiring, charging, and modules

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Fuel Injection

Fuel Injection

Pumps, Injectors, Lift Pumps, Filters, additives and everything else!
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Engines and Cylinder Heads

Engines and Cylinder Heads

Complete engines and cylinder heads

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Intake & Exhaust

Intake & Exhaust

Air intake and exhaust parts
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Turbochargers & Parts

Turbochargers & Parts

Turbocharger kits, parts, and installation components
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Engine Internals

Engine Internals

6.2 6.5L engine rebuild parts and upgrades
Shop Engine Internals
Gaskets and Seals

Gaskets and Seals

Individual gaskets and kits

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Engine External

Engine External

External parts and accessories related to the 6.2 or 6.5L diesel engine
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Gauges & Monitoring

Gauges & Monitoring

Gauges, pods, monitors, and sensors
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All Products

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