Manley BBC 615 4.625in Stroke x 4.600in Bore +43cc Piston Rotating Assembly

SKU: MAN39615RH

Engine Rotating Kits

MAN Rotating Assemblies

Manley BBC 615 4.625in Stroke x 4.600in Bore +43cc Piston Rotating Assembly

Manley Performance

Manley BBC 615 4.625in Stroke x 4.600in Bore +43cc Piston Rotating Assembly

SKU: MAN39615RH

Engine Rotating Kits

MAN Rotating Assemblies

Limited Availability from MFR Limited stock available from the manufacturer's distribution centre. The dispatch timeframe shown is an estimate based on historical orders of this part. This item is not held in our own warehouse, and availability and release timing may vary depending on manufacturer stock movements and processing at the time of ordering.

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Description

Manley Rotating Assemblies are engineered as complete, matched systems to deliver maximum strength, balance, and performance in high-demand engines. Featuring precision-forged crankshafts, high-strength connecting rods, and premium pistons, each component is designed to work together seamlessly for optimal durability and efficiency. Tight tolerances and careful material selection ensure excellent load handling, reduced friction, and consistent performance under extreme RPM and cylinder pressure. By combining Manley’s proven rod, piston, and crank technologies into a unified package, these assemblies provide the reliability and confidence engine builders demand when pushing the limits of power.

Part Type

Engine Crankshaft Rotating Assembly

Data: v4.2 - Upd: 2026-10-09 19:32:51

Features

2618 Forged aluminum Platinum Series pistons with Premium Chrome Moly wrist pins
4340 Forged steel crankshaft
4340 Forged steel H-Beam connecting rods with 7/16 ARP 8740 or optional ARP 2000 cap screws
Horsepower range is 900 with the ARP 8740 and 1,500 with the optional ARP 2000 cap screws

Specifications

Product Attributes - Brand: Manley
Product Attributes - Manufacturer's Part Number: 39615RH
Product Attributes - Part Type: Engine Rotating Kits
Product Attributes - Product Line: Manley Rotating Assemblies
Product Attributes - UPC: 807298093321
Product Attributes - Actual Engine Displacement: 10.1L/615
Product Attributes - Rear Main Seal Style: 2-piece
Product Attributes - Bore (in.): 4.600 in.
Product Attributes - Bore (mm): 115.824mm
Product Attributes - Engine Stroke (in.): 4.625 in.
Product Attributes - Balanced: Yes
Product Attributes - Piston Material: Forged aluminum
Product Attributes - Piston Style: Dome, with two valve reliefs
Product Attributes - Harmonic Balancer Included: No
Product Attributes - Flexplate Included: No
Product Attributes - Flywheel Included: No
Product Attributes - Pistons Included: Yes
Product Attributes - Piston Head Volume (cc): +43.00cc
Product Attributes - Wrist Pin Style: Floating
Product Attributes - Piston Rings Included: Yes
Product Attributes - Piston Ring Facing Material: Plasmamoly
Product Attributes - Piston and Ring Oversize (in.): 0.100 in.
Product Attributes - Piston and Ring Oversize (mm): 2.54mm
Product Attributes - Crankshaft Included: Yes
Product Attributes - Crankshaft Material: Forged 4340 steel
Product Attributes - Engine Balance: Internal
Product Attributes - Connecting Rods Included: Yes
Product Attributes - Connecting Rod Length Center to Center (in.): 6.700 in.
Product Attributes - Connecting Rod Material: Forged 4340 steel
Product Attributes - Connecting Rod Beam Style: H-beam
Product Attributes - Rod Bearings Included: Yes
Product Attributes - Rod Bearing Undersize (in.): Stock
Product Attributes - Rod Bearing Undersize (mm): Stock
Product Attributes - Main Bearings Included: Yes
Product Attributes - Main Bearing Undersize (in.): Stock
Product Attributes - Main Bearing Undersize (mm): Stock
Product Attributes - Cam Bearings Included: No
Product Attributes - Gaskets Included: No
Product Attributes - Oil Pump Included: No
Product Attributes - Camshaft Included: No
Product Attributes - Lifters Included: No
Product Attributes - Timing Chain and Gears Included: No
Product Attributes - Plastigage Included: No
Product Attributes - Assembly Lubricant Included: No
Product Attributes - Quantity: Sold as a kit.
Product Attributes - Notes: For tall deck block. Comes with ARP 2000 rod bolts, and H series main bearings. Comes with center counterweights.

Reference Information

Brand Name/s	Manley Performance
StreetFX SKU	man39615RH
SFX Item ID	4061316
Supplier Item Code	4061316
Manufacturer SKU	39615RH
Manufacturer UPC	N/A
Alternative References	4.625in, 4.600in, +43cc