Ram Clutches 2557 Pontiac Internal Balance 166 Tooth Flywheel

#6052557

Ram Clutches 2557 Pontiac Internal Balance 166 Tooth Flywheel

Fits Pontiac applications
Center hole diameter 0.885"
Internal balance

$429.00

/each

Factory Shipped

Quantity

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Product Summary

14.25" Outside Diameter, 166 Tooth Count, Aluminum

Fits Pontiac applications
Center hole diameter 0.885"
Internal 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 #	2557
Tooth Count	166
SFI Rating	1.1
Material Type	Aluminum
Engine Balance	Internal

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Need To Know

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Ram Clutches 2557 Details

RAM billet aluminum flywheels deliver maximum performance, reduced rotating mass, and exceptionally quick engine response. Each aluminum flywheel is CNC machined from premium billet material, surface ground for absolute flatness, and dynamically balanced to precise tolerances. The lightweight aluminum construction significantly decreases rotational inertia, enabling faster rev matching, sharper throttle response, and improved acceleration in high performance or competition focused applications.

RAM aluminum flywheels feature a replaceable ¼" steel friction surface, a fully serviceable ring gear, and are built to meet all SFI safety specifications. Application specific designs support today’s most popular engine swap platforms—including LS, LT, Coyote, and Hemi—as well as Tremec transmission conversions. For drivers and builders seeking the fastest engine response and the advantages of reduced rotating mass, RAM billet aluminum flywheels deliver a proven edge on the street, strip, or track.

When your project demands the lightest, quickest revving solution without compromising durability, choose RAM billet aluminum flywheels for unmatched precision, responsiveness, and reliability. RAM billet aluminum flywheels are engineered and manufactured in the USA. When only the best will do- Choose RAM.

Fits Pontiac applications
Center hole diameter 0.885"
Internal 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
0.865 thickness crank flange to friction surface
17 pounds
Meets SFI 1.1 specifications
Made in the USA

Application

Pontiac Internal 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.

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Ram Clutches 2557 Specifications

KEY SPECS
MFG. Part #	2557
Brand	Ram Clutches
Tooth Count	166
SFI Rating	1.1
Material Type	Aluminum
Engine Balance	Internal

GENERAL
Outside Diameter	14.25"
Weight	17 lbs.
Sold in Quantity	Each
GTIN Code	809009361101
Flywheel Material	Billet aluminum
Replaceable Friction Surface	Yes

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Fitment

1963-1966 Pontiac Bonneville

421 Pontiac V8

1967-1969 Pontiac Bonneville

400 Pontiac V8
428 Pontiac V8

1970-1974 Pontiac Bonneville

350 Pontiac V8
400 Pontiac V8
Pontiac V8 Large-Journal 455
Pontiac V8 Small-Journal 455 Ram Air V

1975-1976 Pontiac Bonneville

400 Pontiac V8
Pontiac V8 Large-Journal 455
Pontiac V8 Small-Journal 455 Ram Air V

1977 Pontiac Bonneville

350 Pontiac V8
400 Pontiac V8

1978 Pontiac Bonneville

400 Pontiac V8

1961-1966 Pontiac Catalina

421 Pontiac V8

1967-1969 Pontiac Catalina

400 Pontiac V8
428 Pontiac V8

1970-1974 Pontiac Catalina

350 Pontiac V8
400 Pontiac V8
Pontiac V8 Large-Journal 455
Pontiac V8 Small-Journal 455 Ram Air V

1975 Pontiac Catalina

400 Pontiac V8
Pontiac V8 Large-Journal 455
Pontiac V8 Small-Journal 455 Ram Air V

1976 Pontiac Catalina

350 Pontiac V8
400 Pontiac V8
Pontiac V8 Large-Journal 455
Pontiac V8 Small-Journal 455 Ram Air V

1977 Pontiac Catalina

350 Pontiac V8
400 Pontiac V8

1978 Pontiac Catalina

400 Pontiac V8

1967 Pontiac Executive

400 Pontiac V8
428 Pontiac V8

1968 Pontiac Executive

350 Pontiac V8
400 Pontiac V8
428 Pontiac V8

1969 Pontiac Executive

400 Pontiac V8
428 Pontiac V8

1970 Pontiac Executive

350 Pontiac V8
400 Pontiac V8
Pontiac V8 Large-Journal 455
Pontiac V8 Small-Journal 455 Ram Air V

1967 Pontiac Firebird

400 Pontiac V8

1968-1969 Pontiac Firebird

350 Pontiac V8
400 Pontiac V8

1970-1976 Pontiac Firebird

350 Pontiac V8
400 Pontiac V8
Pontiac V8 Large-Journal 455
Pontiac V8 Small-Journal 455 Ram Air V

1977 Pontiac Firebird

350 Pontiac V8
400 Pontiac V8

1978-1979 Pontiac Firebird

400 Pontiac V8

1973-1975 Pontiac Grand Am

350 Pontiac V8
400 Pontiac V8
Pontiac V8 Large-Journal 455
Pontiac V8 Small-Journal 455 Ram Air V

1975-1976 Pontiac Grand LeMans

350 Pontiac V8
400 Pontiac V8
Pontiac V8 Large-Journal 455
Pontiac V8 Small-Journal 455 Ram Air V

1977 Pontiac Grand LeMans

350 Pontiac V8
400 Pontiac V8

1963-1966 Pontiac Grand Prix

421 Pontiac V8

1967-1969 Pontiac Grand Prix

400 Pontiac V8
428 Pontiac V8

1970 Pontiac Grand Prix

350 Pontiac V8
400 Pontiac V8
Pontiac V8 Large-Journal 455
Pontiac V8 Small-Journal 455 Ram Air V

1971 Pontiac Grand Prix

400 Pontiac V8
Pontiac V8 Large-Journal 455
Pontiac V8 Small-Journal 455 Ram Air V

1972-1974 Pontiac Grand Prix

350 Pontiac V8
400 Pontiac V8
Pontiac V8 Large-Journal 455
Pontiac V8 Small-Journal 455 Ram Air V

1975 Pontiac Grand Prix

400 Pontiac V8
Pontiac V8 Large-Journal 455
Pontiac V8 Small-Journal 455 Ram Air V

1976 Pontiac Grand Prix

350 Pontiac V8
400 Pontiac V8
Pontiac V8 Large-Journal 455
Pontiac V8 Small-Journal 455 Ram Air V

1977 Pontiac Grand Prix

350 Pontiac V8
400 Pontiac V8

1971-1974 Pontiac Grand Safari

350 Pontiac V8
400 Pontiac V8
Pontiac V8 Large-Journal 455
Pontiac V8 Small-Journal 455 Ram Air V

1975-1976 Pontiac Grand Safari

400 Pontiac V8
Pontiac V8 Large-Journal 455
Pontiac V8 Small-Journal 455 Ram Air V

1977 Pontiac Grand Safari

350 Pontiac V8
400 Pontiac V8

1978 Pontiac Grand Safari

400 Pontiac V8

1971 Pontiac Grandville

Pontiac V8 Large-Journal 455
Pontiac V8 Small-Journal 455 Ram Air V

1972-1975 Pontiac Grandville

400 Pontiac V8
Pontiac V8 Large-Journal 455
Pontiac V8 Small-Journal 455 Ram Air V

1964-1965 Pontiac GTO

421 Pontiac V8

1967-1969 Pontiac GTO

400 Pontiac V8

1970-1971 Pontiac GTO

400 Pontiac V8
Pontiac V8 Large-Journal 455
Pontiac V8 Small-Journal 455 Ram Air V

1972-1973 Pontiac GTO

350 Pontiac V8
400 Pontiac V8
Pontiac V8 Large-Journal 455
Pontiac V8 Small-Journal 455 Ram Air V

1967 Pontiac LeMans

400 Pontiac V8
428 Pontiac V8

1968-1969 Pontiac LeMans

350 Pontiac V8
400 Pontiac V8
428 Pontiac V8

1970-1974 Pontiac LeMans

350 Pontiac V8
400 Pontiac V8
Pontiac V8 Large-Journal 455
Pontiac V8 Small-Journal 455 Ram Air V

1975 Pontiac LeMans

350 Pontiac V8
400 Pontiac V8

1976 Pontiac LeMans

350 Pontiac V8
400 Pontiac V8
Pontiac V8 Large-Journal 455
Pontiac V8 Small-Journal 455 Ram Air V

1977 Pontiac LeMans

350 Pontiac V8
400 Pontiac V8

1977 Pontiac Phoenix

350 Pontiac V8

1963-1966 Pontiac Star Chief

421 Pontiac V8

1967 Pontiac Tempest

400 Pontiac V8
428 Pontiac V8

1968-1969 Pontiac Tempest

350 Pontiac V8
400 Pontiac V8
428 Pontiac V8

1970 Pontiac Tempest

350 Pontiac V8
400 Pontiac V8
Pontiac V8 Large-Journal 455
Pontiac V8 Small-Journal 455 Ram Air V

1961 Pontiac Ventura

421 Pontiac V8

1971-1977 Pontiac Ventura

350 Pontiac V8