MANLEY 28548HX Rotating Assembly (4.250 Stroke/4.530/-20cc) for BBC

Description MANLEY 38548 Rotating Assembly (4.250 Stroke/4.530/-20cc) for BBC 548

Manley Performance offers a comprehensive selection of high-quality rotating assemblies designed to meet the rigorous demands of street and racing applications. These assemblies are engineered for strength, durability, and optimal performance across various engine platforms.

Each rotating assembly includes a lightweight 4340 forged steel crankshaft, 4340 forged steel H-Beam connecting rods with ARP cap screws, and 2618 forged aluminum Platinum Series pistons with premium chrome moly wrist pins.

• Designed for street and racing applications
• Lightweight 4340 forged steel crankshaft
• 4340 forged steel H-Beam connecting rods with ARP cap screws
• 2618 forged aluminum Platinum Series pistons with premium chrome moly wrist pins

Kit comes with:

• High-performance piston rings
• Clevite “H” Series rod bearings (narrowed)
• Clevite “P” Series main bearings

Specifications:

• Product Market: Domestic
• Piston Volume: -20.00 CC
• Emissions Code: 3
• Product Type: Engine Crankshaft Rotating Assembly
• Rod Bolt Material: ARP 8740
• Engine Stroke: 4.250 IN
• Piston Head Type: Dish
• Displacement: 548 CID
• Piston Bore Diameter: 4.530 IN
• Crankshaft Part Number: 190290
• Connecting Rod Length: 6.385 IN
• Connecting Rod Part Number: 14062
• Piston Ring Part Number: 46453
• Compression Ratio with Head: 8.10:1 with 124.00 CC Head, 8.40:1 with 118.00 CC Head, 8.70:1 with 112.00 CC Head
• Rod Bearing Type: Clevite Series
• Engine Block: Standard Deck Blocks With Center Counterweights

Sizes: 548

Part numbers: 38548, 28548HX, 28548RX, 28548RHX, 38548H, 38548RHX, 28548RH, 28548X, 38548RX, 28548HXX, 38548R, 38548RH

Special order: imported to order. Contact us for price and availability.