Ram Clutches 1550X GM LS 6 Bolt 0 Bal. 168 Tooth Thicker Flywheel
Ram Clutches 1550X GM LS 6 Bolt 0 Bal. 168 Tooth Thicker Flywheel
Ram Clutches

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#6051550X

Ram Clutches 1550X GM LS 6 Bolt 0 Bal. 168 Tooth Thicker Flywheel

  • Fits GM LS applications 1997-2015
  • Center hole diameter 2.070 (1 pc rear main seal)
  • Allows for LS engine swaps to Tremec 5 speed and earlier model transmissions
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$389.00

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Product Summary

14" Outside Diameter, 168 Tooth Count, 1.1 SFI Rating

  • Fits GM LS applications 1997-2015
  • Center hole diameter 2.070 (1 pc rear main seal)
  • Allows for LS engine swaps to Tremec 5 speed and earlier model transmissions
  • 168 tooth ring gear
  • Clutch bolt patterns: GM metric diaphragm 11 7/8" clutches with 12.625" bolt circle, 10mm – 1.5 thread, GM 11", 12" clutches with 12.625" bolt circles, 3/8-16 thread
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Key Specs

MFG. Part #1550X
Tooth Count168
SFI Rating1.1
Material TypeSteel
Engine BalanceInternal
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Ram Clutches 1550X 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 GM LS applications 1997-2015
  • Center hole diameter 2.070 (1 pc rear main seal)
  • Allows for LS engine swaps to Tremec 5 speed and earlier model transmissions
  • 168 tooth ring gear
  • Clutch bolt patterns: GM metric diaphragm 11 7/8" clutches with 12.625" bolt circle, 10mm – 1.5 thread, GM 11", 12" clutches with 12.625" bolt circles, 3/8-16 thread
  • 1.200" thickness crank flange to friction surface
  • 36 pounds
  • Meets SFI 1.1 specifications
  • Made in the USA

Application

GM LS 6 Bolt '0' Balance 168 Tooth .400 Inch Thicker

Warranty Information

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 1550X Specifications

KEY SPECS
MFG. Part #1550X
BrandRam Clutches
Tooth Count168
SFI Rating1.1
Material TypeSteel
Engine BalanceInternal
GENERAL
Outside Diameter14"
Weight36 lbs.
Sold in QuantityEach
GTIN Code809009401654
Rear Main Seal Style1-piece
Flywheel MaterialBillet steel
Replaceable Friction SurfaceNo
Pressure Plate StyleDiaphragm

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Fitment

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  • GM LM7

  • GM LQ4

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  • GM LS4

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  • 4.8 Chevy LS V8

  • GM L20

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  • GM LQ4

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  • GM LM7

  • GM LQ4

  • GM LQ9

  • GM LQ4

  • GM LQ4

  • GM LQ4

  • GM LQ4

  • GM LQ4

  • GM LM4

  • GM LMG

  • GM LY5

  • GM LM7

  • GM L59

  • GM LM7

  • GM LC9

  • GM LMG

  • GM LY5

  • GM LC9

  • GM LMG

  • GM LMG

  • GM LY5

  • GM LQ4

  • GM LMG

  • GM LY5

  • 4.8 Chevy LS V8

  • GM L59

  • GM LM7

  • 4.8 Chevy LS V8

  • GM LMG

  • GM LY5

  • 6.2 Chevy LS V8

  • GM LC9

  • GM LMG

  • GM LC9

  • GM LMG

  • GM LMG

  • GM LY5

  • GM LH6

  • GM LM4

  • GM LM4

  • GM LM4

  • 4.8 Chevy LS V8

  • GM LM7

  • GM LQ4

  • 4.8 Chevy LS V8

  • GM L33

  • GM LM7

  • GM LQ4

  • 4.8 Chevy LS V8

  • GM L33

  • GM LQ4

  • 4.8 Chevy LS V8

  • GM LM7

  • GM LQ4

  • 4.8 Chevy LS V8

  • GM L33

  • GM LQ4

  • 4.8 Chevy LS V8

  • GM LM7

  • GM LQ4

  • 4.8 Chevy LS V8

  • GM L33

  • GM LQ4

  • GM L20

  • GM LC9

  • GM LMG

  • GM L33

  • GM L59

  • GM LM7

  • GM LQ4

  • GM LQ4

  • GM LQ4

  • GM LM7

  • GM LQ4

  • GM LQ4

  • GM LQ4

  • GM LQ4

  • GM LQ4

  • GM LQ4

  • GM LQ4

  • 4.8 Chevy LS V8

  • GM L20

  • GM LM7

  • GM LY2

  • GM LC9

  • GM LMG

  • GM LM7

  • GM L59

  • GM LM7

  • GM LQ4

  • GM LQ4

  • GM LQ4

  • 6.2 Chevy LS V8

  • GM LH8

  • GM LH8

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