Product Summary

13.28" Outside Diameter, 157 Tooth Count, Steel

  • Fits Ford SB applications 1964-1980
  • Center hole diameter 1.751
  • 28 oz/in imbalance
  • 157 tooth ring gear
  • Clutch bolt patterns: Ford metric diaphragm 10.5" clutches with 11.375" bolt circle, 8mm-1.25 thread, Ford Long Style 10.5" clutches with 11.375" bolt circle, 5/16-18 thread
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Key Specs

MFG. Part #1527
Tooth Count157
SFI Rating1.1
Material TypeSteel
Engine BalanceExternal
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Need To Know

Quick and Easy Returns

Return Policy

Ram Clutches 1527 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 Ford SB applications 1964-1980
  • Center hole diameter 1.751
  • 28 oz/in imbalance
  • 157 tooth ring gear
  • Clutch bolt patterns: Ford metric diaphragm 10.5" clutches with 11.375" bolt circle, 8mm-1.25 thread, Ford Long Style 10.5" clutches with 11.375" bolt circle, 5/16-18 thread
  • 1" thickness crank flange to friction surface
  • 28 pounds
  • Meets SFI 1.1 specifications
  • Made in the USA

Application

Ford SB 28 Oz/In Balance 157 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 1-803-788

Ram Clutches 1527 Specifications

KEY SPECS
MFG. Part #1527
BrandRam Clutches
Tooth Count157
SFI Rating1.1
Material TypeSteel
Engine BalanceExternal
GENERAL
Outside Diameter13.28"
Weight28 lbs.
Sold in QuantityEach
GTIN Code809009110754
Rear Main Seal Style1-piece
Flywheel MaterialBillet steel
Replaceable Friction SurfaceNo
Pressure Plate StyleDiaphragm/Long

Questions & Answers

1 Question1 Answer

Okay for diaphragm clutch? Please recommend a clutch for SBF 302, about 400 to 450 hp street driven 1965 comet T5 trans for 99% touring. Thx.

by Dirtfarmer

4 years ago

1 answer

1 of 1 questions shown

Fitment

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