4451 ASR
Art Science Racing
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Who are 4451 ASR
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Timing Components
Underdrive Components
Fuel System Components
Balance Shaft Components
Intake And Exhaust
Floating Rotor Packages
Boost Components
DME KLR Components
Studs And Packages
Other Parts We Make
Boost Components
26-6/8 Turbo Charger updates:
ASR268 St-3 Bell Choke and Diffuser Installation.
Titanium Compressor Nut (MRL)©
Basic Specifications:
-> Turbos are built in stages 1 through 3.
-> Stage 3 Turbos being highest in development and refinement.
-> Linear and Bell replaceable chokes and diffusers.
-> Anemometric Analyzed Flow and Pressure.
-> Highly refined
Turbine and Compressor Stage
geometries.
-> Radius Linearizer (MRL) for Bell choke St-3.
-> Anodized To color indicate refinement stage and type.
-> Much higher tolerances. We take this very serious, +/- .00012 serious.
-> Machine from solid, gone is the porous cast alloy for these critical parts.
-> Perfect fit and Flanged Coupled for heat exchange.
-> Titanium Compressor Nut (MRL)
-> 6000 Series Aluminum Diffuser Plate and Choke/Venturi.
Why? Several reasons. But in a single word, refinement!
4451 ASR use toolroom practices and are unlimited by cost of materials and time.
We can modify your 266/268 3K turbocharger or you can buy one of our in house mods.
Please E-Mail for information.
Jeff@4451ASR.COM
4451ASR Cycling Valve:
(Intentionally delayed as part of Turbo/Wastegate update.)
Concept - Cycling Valve.
Basic Specification:
-> Multiple Jet sizes
-> New Potting Compound
-> Custom Viton Seals (in house)
-> Limited Service abililty
-> New port and vein geometry
-> New surge chamber
-> 3AN to waste gate
-> Al Alloy Chassis
4451ASR Waste Gate Actuator:
Concept - 4451ASR
Waste Gate
Actuator.
-> Single ended - Vacuum OE replacement
-> Differential - Vacuum & Pressure
-> Direct partner to the 4451ASR Cycling Valve
-> No Shimming Required - appropriate spring preload.
Line Package -3AN
Main
Components
Services
Who are 4451 ASR
Technical Data
Tool Room