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Billet-Aluminum-Sfi-Certified-Flywheel---Big-Block-Chevrolet

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Hays 20-237 Billet Aluminum Sfi Certified Flywheel - Big Block Chevrolet

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Brand: Hays

SKU: ds_BCCR_20-237

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Product Code: Clutch Flywheel

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Hays 20-237 Billet Aluminum Sfi Certified Flywheel - Big Block Chevrolet

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Upgrade your stock flywheel to a Hays SFI-approved billet steel or aluminum flywheel. Each flywheel is precision machined and engineered to handle extreme duty applications along with being designed to take the punishment of today's high horsepower street, off-road, and race engines.

Specifications:

Description_ASC	When choosing a flywheel take note that a heavy flywheel stores more energy as it spins than a light flywheel. If you have a heavy car combination that requires more power (or inertia) to make it launch without bogging the engine, you will want a heavier flywheel. Remember that a heavier flywheel will be slower to accelerate through the gears where a lighter flywheel creates less inertia at launch but will accelerate faster through the gears.
Description_DES	Hays Billet Aluminum SFI Certified Flywheel - Big Block Chevrolet
Description_MKT	Upgrade your stock flywheel to a Hays SFI-approved billet steel or aluminum flywheel. Each flywheel is precision machined and engineered to handle extreme duty applications along with being designed to take the punishment of today's high horsepower street, off-road, and race engines.
Description_FAB	SFI-approved - legal for use in racing classes that require SFI certification
Description_FAB	Choose precision CNC-machined 1045 billet steel for maximum strength and durability or 6061-T6 billet aluminum construction for weight reduction and excellent heat dissipation
Description_FAB	Aluminum flywheels feature forged heat treated steel ring gears and replaceable 1045 steel friction surface attached with high-grade fasteners
Description_FAB	CAD designed to provide optimum performance and reliability
Description_FAB	Available in Internal, External, or Zero (Neutral) balanced versions
Description_FAB	Applications offered for a wide variety of engines
Description_INV	OBS FLYWHEEL,70-90 BBC,33OZ EXT BAL,14LB
Description_EXT	1970-1990 454 Big Block Chevrolet, 6061 T-6, External Balance, 153-tooth, 1045 SFP, with early design bolt-on counter weight
Center Bore (Register Diameter)	2.486"
# of Teeth	153
SFI Approved	Yes
Emission Code	5
SFI Certification	1.1
Application	Chevrolet
Engine	Big Block Chevy
Special Offers	Summer Sale
Material	Aluminum
Brand	Hays
Engine Balance	External
Product Type	Flywheels
Warranty	Limited 90 Day Warranty
Length	1.6000
Width	15.7000
Height	15.3000
Weight	10.7000

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