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CHR640N Cylinder Head for 1991-2004 Jeep 4.0L Inline 6-Cylinder Engine
InfoVehicle Info Needed
PROMAXX PERFORMANCEPART NUMBER: 723-CHR640N

CHR640N Cylinder Head for 1991-2004 Jeep 4.0L Inline 6-Cylinder Engine

$96699
ShippingShips on 11/02/2026
Lowest PriceLowest Price Guarantee

    Cylinder Head
  • 1991-2004 Jeep Cherokee, Comanche, Grand Cherokee, Wrangler
  • 4.0L Inline 6-Cylinder Engine
  • Fits OE Cast Numbers 0331, 0630, 7120
  • Fully-Assembled
  • Cast Iron

    ProMaxx Performance developed/designed this cylinder head from the OE casting 331. This is a direct bolt on cast iron cylinder head to replace your factory casting.

    Fits OE Cast # 0331, 0630, 7120

New Direct Replacement Castings

ProMaxx Performance offers quality direct replacement cylinder heads to restore your engine's performance. Developed from OEM castings, these cylinder heads will fit and function as the originals were designed for factory stock reliability. 

    Part TypeCylinder Head
    Product LineProMaxx Stock Replacement Cylinder Heads
    BrandPROMAXX PERFORMANCE
    Package Height6.5
    Package Width7.5
    Package Length29.5
    Weight83.0 PG
    Part CategoryReplacement Parts
    Cylinder Head MaterialCast iron
    Cylinder Head StyleAssembled
    Cylinder Head FinishNatural
    Accessory Bolt Holes DrilledYes
    Part FitmentDirect Fit
    Vendor Part NumberCHR640N
    Package Qty1
    Package TypeEA
    No Questions
    No Reviews

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