Manley 29632HXX BBC CID Rotating Assembly Stroke Bore Dome - 632 4.750 4.600 43cc

The Manley 29632HXX is a complete Big Block Chevy 632 CID rotating assembly engineered for serious high-performance and racing applications. Built around a 4.750-inch stroke and 4.600-inch bore with +43cc dome pistons, this kit is designed exclusively for tall deck Big Block Chevy blocks with center counterweights. The HXX suffix denotes that this assembly includes upgraded "HX" Series main bearings with .001" extra clearance and "X" Series rod bearings with .001" extra clearance, making it ideal for builds requiring tighter oil clearance control.

Key Features:

• 4340 forged steel crankshaft — 4.750" stroke, non-twist lightweight design, internally balanced
• 4340 forged steel H-Beam connecting rods — 6.700" length with 7/16" ARP 8740 cap screws standard; optional ARP 2000 cap screws available
• 2618 forged aluminum Platinum Series pistons — +43cc dome profile with premium Chrome Moly wrist pins
• Total Seal piston rings included
• Clevite "H" Series narrowed rod bearings with .001" extra clearance ("X" Series)
• Clevite "P" or "H" Series main bearings with .001" extra clearance ("HX" Series)
• Horsepower range: 900 hp with ARP 8740 cap screws / up to 1,500 hp with optional ARP 2000 cap screws
• Factory balanced to within +/- 1% of bobweight
• Designed for tall deck blocks (10.200" deck height) with center counterweights

Specifications:

• Displacement: 632 CID
• Stroke: 4.750 in.
• Bore: 4.600 in.
• Rod Length: 6.700 in.
• Piston Dome: +43cc
• Crankshaft P/N: 190280
• Connecting Rod P/N: 14072
• Block Requirement: Tall Deck (10.200") with Center Counterweights

Manley Performance has been manufacturing premium internal engine components since 1966. The 29632HXX rotating assembly delivers a fully matched, precision-balanced foundation for a 632 cubic inch Big Block Chevy build capable of producing serious horsepower on the street or strip.