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Butler Performance, a name synonymous with High Performance, specifically traditional Pontiac engines.

Browse 389 Super Stroker Rotating Assemblies- Up to 4.500 Stroke Products

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389 Blocks (395-480 cu. In.) - 389 Super Stroker Rotating Assemblies- Up to 4.500 Stroke - Butler Performance - Butler Performance 473-480 ci Balanced Rotating Assembly Stroker Kit, for 389 Block, 4.500" str.
Butler Performance 473-480 ci Balanced Rotating Assembly Stroker Kit, for 389 Block, 4.500" str.
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Description: Butler's balanced 473-480 ci long-rod stroker assembly for the Pontiac 389 block — a 4.500" stroke built around a true-Pontiac Ross forging and internally balanced in our shop. Nitrous-safe...More Details »
Item #: BPI-RA-4500-300-389
Condition: New
Custom piston assemblies ship in 9-10 weeks
Price: $3,999.00


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