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Quadstar Tuning LLC

Cooling Engine Fuel System Gauges and Monitoring Intake & Exhaust Tuning Transmission and Driveline Turbochargers Miscellaneous

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193 Products

Filter products

In stock 178
Out of stock 18

The highest price is $8,750.00

$ From

$ To

Airdog 2
Alliant Power 3
AM General 44
ARP 14
Autometer 3
BD Diesel 2
Bosch 4
Clevite Mahle 11
Cometic Gaskets 3
Crazy Mater Fab 5
Diamond Eye 1
DieselSite 11
Dipaco 1
Dorman 3
EDGE Products 1
Energy Suspension 1
FASS 1
Flight Systems 2
Fluidampr 2
Harland Sharp 1
Hotshot's Secret 1
Isky 1
Powermaster 1
ProMaxx 1
Quadstar Tuning 63
Quadstar Tuning LLC 2
SCAT 1
STANADYNE 8

AM General

6.5L Non-Turbo Optimizer Cylinder Head

In stock

Regular price $1,100.00 USD
Quadstar Tuning

6.5L OBDI Multi-Position Tuner for 1994-1995

Out of stock

Regular price From $600.00 USD
Quadstar Tuning LLC

6.5L OBDI Multi-Position Tuner for 1994-1995

Out of stock

Regular price $600.00 USD
Quadstar Tuning

6.5L OBDI Single Tune for 1994-95

In stock

Regular price $350.00 USD
Quadstar Tuning

6.5L OBDII Single Tune for 1996+

In stock

Regular price $350.00 USD
AM General

6.5L Oil Cooler Bypass Valve Plug

In stock

Regular price $1.35 USD
Sale

AM General

6.5L Oil Filter Bypass Valve

In stock

Regular price $10.99 USD

Regular price ~~$11.49 USD~~ Sale price $10.99 USD
Sale

AM General

6.5L Oil Filter Connector

In stock

Regular price $10.99 USD

Regular price ~~$11.72 USD~~ Sale price $10.99 USD
Sale

AM General

6.5L Oil Gallery Plug

In stock

Regular price $10.99 USD

Regular price ~~$11.49 USD~~ Sale price $10.99 USD
Sale

AM General

6.5L Oil Pump Drive Assembly

In stock

Regular price $199.99 USD

Regular price ~~$269.25 USD~~ Sale price $199.99 USD
AM General

6.5L Oil Pump Driveshaft

In stock

Regular price $10.35 USD
AM General

6.5L Oil Pump Driveshaft Retainer

In stock

Regular price $0.89 USD
AM General

6.5L Oil Spray Nozzle

In stock

Regular price $5.99 USD
AM General

6.5L P400 Forged Crankshaft

In stock

Regular price $2,250.00 USD
Sale

Quadstar Tuning

6.5L P400 Forged Rotating Assembly

In stock

Regular price $4,650.00 USD

Regular price ~~$4,800.00 USD~~ Sale price $4,650.00 USD
Quadstar Tuning

6.5L Performance Piston Kit

Only 3 left

Regular price $1,500.00 USD
AM General

6.5L Piston Pin Lock Ring

In stock

Regular price $1.99 USD
Clevite Mahle

6.5L Pistons

In stock

Regular price $700.00 USD
Sale

Quadstar Tuning

6.5L PMD Relocation Kit

Only 3 left

Regular price $270.00 USD

Regular price ~~$291.98 USD~~ Sale price $270.00 USD
Clevite Mahle

6.5L Rear Main Seal

Only 2 left

Regular price $22.49 USD
DieselSite

6.5L Remote Fuel Filter Kit

In stock

Regular price From $199.00 USD
AM General

6.5L Rocker Arm Assembly

In stock

Regular price $69.99 USD
Quadstar Tuning

6.5L Rocker Arm Retainers

In stock

Regular price $45.00 USD
Quadstar Tuning

6.5L Starter Bracket

In stock

Regular price $24.99 USD

About us

Quadstar Tuning is a small business focused on providing the highest quality parts for the 6.5L Turbo Diesel platform. We specialize in tuning but also offer a wide selection of other products.

Check back frequently as things are always changing!

Thank you for considering us for your build!

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