Made in USA
Short Block 363ci. Boss
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FORD PERFORMANCEPART NUMBER: 397-M-6009-363

Short Block 363ci. Boss

$6,00599
Truck Freight
ShippingShips on Sep 08, 2026
Lowest PriceLowest Price Guarantee

Small Block
Ford Racing Short Block
  • 363ci. Boss
  • Cast Iron
  • 4.125" Bore
  • 3.400" Stroke
  • 4-Bolt Main
  • 8.2" Deck Height

      The Ford Racing Z363 shortblock lets you build it your way by adding your choice of heads, cam, intake and oil pan. It's the perfect foundation to build a powerful 8.2" deck engine for your vintage muscle car, street rod, Fox Body or Late Model Mustang. This is the same shortblock used in the 500 HP Z363 crate engine. By taking the bore out to 4.125-inch, the displacement of the popular 347 stroker has been increased to 363 cubic inches. Nothing but the best parts are used inside including: forged crankshaft, forged I-beam connecting rods with floating piston pins and the BOSS 302 block. The Z363 shortblock fits many of the vehicles originally built with a 289 or 302 8.2-inch deck height block.

    • Engine type: 302 based small block ford
    • Displacement (cu in): 363
    • Bore x stroke (in): 4.125" bore x 3.400" stroke
    • Block: BOSS 4-bolt Main Block 302 M-6010-BOSS302 - 8.2-inch deck height. 0.010" below piston to deck height (nominal)
    • Crankshaft: SCAT Forged Steel: 3.400" stroke
    • Connecting rods: SCAT forged steel I-beam connecting rods
    • Pistons: Mahle forged aluminum pistons, with reliefs for Z304D, Z304P, N351, GT-40 and other inline valve Windsor cylinder heads. 6cc valve pockets.
    • Hydraulic roller camshaft compatible
    • Balanced: Internal
    • Recommended cylinder head fasteners M-6065-BOSS head bolts, M-6014-BOSS studs, or M-6014-Z304 studs, depending on application
    • Designed for M-6049-X306//X307/C3/D3/Z304DA cylinder heads, Not designed for production 302/351W or M-6049-Y302/Y303/X302/X303/X304/X305 cylinder heads
    • Assembled and ready for your heads, cam and timing chain set
    • Requires head gaskets M-6051-R351
    • Built with all new parts
    • Photo and specs may vary

    Emissions Note:

    This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.

    CLICK THIS LINK FOR IMPORTANT CARB & EPA EMISSIONS INFORMATION ABOUT THIS PART

  • Part TypeShort Block
    BrandFORD PERFORMANCE
    Package Height24.0
    Package Width25.0
    Package Length30.0
    Weight95.0 PG
    Part CategoryPerformance Parts
    Main Journal Type302 mains
    Crankshaft MaterialForged 4340 steel
    Engine Block MaterialCast iron
    Connecting Rod MaterialForged 4130 steel
    Harmonic Balancer IncludedNo
    QuantitySold individually
    Flexplate IncludedNo
    AssembledYes
    Connecting Rod Beam StyleI-beam
    Deck Height8.2 in (208.28 mm)
    Flywheel IncludedNo
    Engine BalanceInternal
    Rear Main Seal Style1-piece
    Short Block Piston StyleFlat top
    Piston MaterialForged aluminum
    Oil Pan IncludedNo
    Timing Cover IncludedNo
    Vendor Part NumberM-6009-363
    Package Qty1
    Package TypeEA
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    Some parts are not legal for use in California or other states with similar laws / regulations
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