MANLEY 290930X Rotating Assembly (3.750 Stroke/+11cc Dome) for SBC 383

Description MANLEY 290930X Rotating Assembly (3.750 Stroke/+11cc Dome) for SBC 383

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: 11.00 CC
• Emissions Code: 3
• Product Type: Engine Crankshaft Rotating Assembly
• Rod Bolt Material: ARP 8740
• Engine Stroke: 3.750 IN
• Piston Head Type: Dome
• Displacement: 383 CID
• Piston Bore Diameter: 4.030 IN
• Crankshaft Part Number: 190150
• Connecting Rod Length: 6.000 IN
• Connecting Rod Part Number: 14054
• Piston Ring Part Number: 46223
• Compression Ratio with Head: 11.50:1 with 76.00 CC Head, 13.50:1 with 64.00 CC Head, 14.90:1 with 58.00 CC Head
• Rod Bearing Type: Extra Clearance
• Engine Block: 350 Block with 350 Main Journal Diameter