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Manley Rotating Assembly BBC 548 4.250 Stroke 4.530 Bore -20cc

This Manley Rotating Assembly is engineered for high-performance applications featuring a 4.250 inch stroke and 4.530 inch bore size with a -20cc dish, designed for BBC 548 engines. It includes a forged 4340 steel crankshaft and 4340 forged steel H-beam connecting rods, secured with 7/16" ARP 8740 cap screws, with an option to upgrade to ARP 2000 cap screws for increased strength.

The assembly is completed with 2618 forged aluminum Platinum Series pistons equipped with premium chrome moly wrist pins, delivering durability and high horsepower capability. This rotating assembly supports horsepower ranges up to 900 hp with ARP 8740 hardware and up to 1,500 hp with the optional ARP 2000 cap screws, making it suitable for demanding racing and high-output street engines.

  • 4340 forged steel crankshaft for exceptional strength
  • 4340 forged steel H-beam rods with 7/16" ARP 8740 or optional ARP 2000 cap screws
  • 2618 forged aluminum Platinum Series pistons with premium chrome moly wrist pins
  • Stroke: 4.250 inches, Bore: 4.530 inches, -20cc piston dish
  • Horsepower capability: 900 hp with ARP 8740, 1,500 hp with ARP 2000

This product has not yet been assigned to any vehicle. We are working to ensure that this changes as soon as possible. Please contact us if you have any questions.

Since 1966 Manley has been manufacturing race proven engine internals for the domestic and more recently sport compact performance markets. Their range of products include: cranks, pistons, rings and wrist pins, connecting rods, pushrods, drive and oil systems, cylinder head components and valves. Manley products are designed to satisfy the needs of racing’s top engine builders who demand the highest quality products available. As a result, Manley performance products can be found in a variety of vehicles, including OE supercars and record breaking street performance and race cars.
Contact
Manley Performance
1960 Swarthmore Avenue
8701 Lakewood
USA

https://www.manleyperformance.com/
Responsible person
Streetstylez Ltd. & Co. KG
Heinrich-Lorenz-Str. 2-4
09120 Chemnitz
Germany

info@streetstylez.eu
www.streetstylez.eu
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