Ram Clutches 1574 Olds 350, 403, 455 Ext. Bal. 166 Tooth Flywheel
Ram Clutches 1574 Olds 350, 403, 455 Ext. Bal. 166 Tooth Flywheel
Ram Clutches

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#6051574

Ram Clutches 1574 Olds 350, 403, 455 Ext. Bal. 166 Tooth Flywheel

  • Fits Oldsmobile applications
  • Center hole diameter 2.489"
  • External balance
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$319.00

/each

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Product Summary

13.75" Outside Diameter, 166 Tooth Count, Steel

  • Fits Oldsmobile applications
  • Center hole diameter 2.489"
  • External balance
  • 166 tooth ring gear
  • Clutch bolt patterns: GM 10.5", 11" clutches with 11.625", 12.625" bolt circles 3/8-16 thread, Ford Long Style 11" clutches with 12.375" bolt circle, 3/8-16 thread
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Key Specs

MFG. Part #1574
Tooth Count166
SFI Rating1.1
Material TypeSteel
Engine BalanceExternal
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Ram Clutches 1574 Details

RAM billet steel flywheels deliver the uncompromising performance and long term reliability required for modern street performance applications. Each flywheel is precision machined, surface ground, and dynamically balanced to exacting tolerances, ensuring a perfect fit right out of the box. The robust steel construction provides the ideal inertia for smooth launches and exceptional low speed drivability.

Designed for performance enthusiasts, engine builders, and swap specialists, RAM steel flywheels feature a serviceable ring gear and meet all SFI safety specifications. Application specific options support popular engine swap platforms—including LS, LT, Coyote, and Hemi—as well as Tremec transmission conversions. Whether upgrading for street performance, track use, or a custom build, RAM delivers the premium flywheel solution trusted by professionals. RAM billet steel flywheels are engineered and manufactured in the USA. When only the best will do- Choose RAM.

  • Fits Oldsmobile applications
  • Center hole diameter 2.489"
  • External balance
  • 166 tooth ring gear
  • Clutch bolt patterns: GM 10.5", 11" clutches with 11.625", 12.625" bolt circles 3/8-16 thread, Ford Long Style 11" clutches with 12.375" bolt circle, 3/8-16 thread
  • 1.010" thickness crank flange to friction surface
  • 32 pounds
  • Meets SFI 1.1 specifications
  • Made in the USA

Application

Olds 350, 403, 455 External Balance 166 Tooth

Warranty Information

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Speedway Motors cannot facilitate the return of defective Ram Automotive Co. products as they have requested to handle these directly with the consumer. For defective product support and Return Authorization, please contact Ram Automotive Co. at +1 (714)-630-2764.

Ram Clutches 1574 Specifications

KEY SPECS
MFG. Part #1574
BrandRam Clutches
Tooth Count166
SFI Rating1.1
Material TypeSteel
Engine BalanceExternal
GENERAL
Outside Diameter13.75"
Weight33 lbs.
Sold in QuantityEach
Rear Main Seal Style2-piece
Flywheel MaterialBillet steel
Replaceable Friction SurfaceNo
Pressure Plate StyleBorg & Beck/Diaphragm

Questions & Answers

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Fitment

  • Oldsmobile 350 Small-Block

  • 455 Oldsmobile Big-Block V8

  • Oldsmobile 403

  • 455 Oldsmobile Big-Block V8

  • Oldsmobile 350 Small-Block

  • 455 Oldsmobile Big-Block V8

  • 455 Oldsmobile Big-Block V8

  • Oldsmobile 350 Small-Block

  • 455 Oldsmobile Big-Block V8

  • Oldsmobile 350 Small-Block

  • Oldsmobile 403

  • Oldsmobile 350 Small-Block

  • Oldsmobile 350 Small-Block

  • 455 Oldsmobile Big-Block V8

  • Oldsmobile 350 Small-Block

  • 455 Oldsmobile Big-Block V8

  • Oldsmobile 350 Small-Block

  • Oldsmobile 403

  • Oldsmobile 350 Small-Block

  • Oldsmobile 350 Small-Block

  • Oldsmobile 350 Small-Block

  • 455 Oldsmobile Big-Block V8

  • Oldsmobile 350 Small-Block

  • Oldsmobile 350 Small-Block

  • Oldsmobile 403

  • Oldsmobile 350 Small-Block

  • Oldsmobile 350 Small-Block

  • Oldsmobile 350 Small-Block

  • Oldsmobile 350 Small-Block

  • 455 Oldsmobile Big-Block V8

  • Oldsmobile 350 Small-Block

  • Oldsmobile 350 Small-Block

  • Oldsmobile 403

  • Oldsmobile 350 Small-Block

  • Oldsmobile 350 Small-Block

  • Oldsmobile 350 Small-Block

  • 455 Oldsmobile Big-Block V8

  • Oldsmobile 350 Small-Block

  • Oldsmobile 350 Small-Block

  • Oldsmobile 403

  • Oldsmobile 350 Small-Block

  • Oldsmobile 350 Small-Block

  • 455 Oldsmobile Big-Block V8

  • Oldsmobile 350 Small-Block

  • 455 Oldsmobile Big-Block V8

  • Oldsmobile 350 Small-Block

  • 455 Oldsmobile Big-Block V8

  • Oldsmobile 350 Small-Block

  • Oldsmobile 350 Small-Block

  • Oldsmobile 403

  • Oldsmobile 350 Small-Block

  • Oldsmobile 350 Small-Block

  • 455 Oldsmobile Big-Block V8

  • Oldsmobile 350 Small-Block

  • Oldsmobile 350 Small-Block

  • 455 Oldsmobile Big-Block V8

  • Oldsmobile 350 Small-Block

  • Oldsmobile 350 Small-Block

  • 455 Oldsmobile Big-Block V8

  • Oldsmobile 350 Small-Block

  • Oldsmobile 403

  • Oldsmobile 403

  • 455 Oldsmobile Big-Block V8

  • Oldsmobile 350 Small-Block

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