Chevrolet Performance R0X Race Blocks - JEGS

Chevrolet Performance R0X Race Blocks


Chevrolet Performance
Chevrolet Performance R0X Race Blocks

The Chevrolet Performance small-block R0X V8 engine is the next evolution in the design of the Chevrolet small block. It has been successfully raced in ARCA & the Baja 1000. The design incorporates wider 4.500" bore center for improved engine architecture. The R0X package has dedicated components to take advantage of the spread bores such as cylinder heads, intake manifolds, and other aftermarket parts.Torchered tested to over 800 horsepower this is the ultimate small block!

Specifications:
  • CNC-machined, Cast iron competition block
  • 7/16" Priority main oil system
  • 9.025" deck height
  • 4-bolt R0X-block specific SAE 4140 doweled steel mains
  • 17-deg splayed caps on center 3 mains
  • Center main thrust
  • 4.166" rough bore (siamese bores)
  • 4.250" max bore and main spacing
  • Special cylinder head bolt pattern, 3/8-24 UNF threads
  • 68mm (2.677") cam bearing bores for 60mm roller bearings
  • Cam tunnel is closed (no oil drain to rotating assembly)
  • Cam tunnel is raised 1.572" to 6.093"
  • .835" lifter bores (1.06 max) 42-deg intake, 52-deg exhaust, can be relocated
  • Cam lobe squirter provisions
  • Piston squirter provisions, not machined
  • -6AN water fittings
  • O-ring AN pipe plugs
  • (4) Center lifter valley drains (drilled & tapped)
  • Steam holes drilled between cylinders .750" below deck surface
  • Dry sump only (no oil filter boss)
  • Oil pan rails spread to 10.61"
  • Front motor mounts only
  • Dual starter mounts



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    ROX Bare Block

    		809-25534453
    		R0X Series Block SB2.2
  • CNC-machined
  • Must use Cylinder Head: 809-88958667
    View this item
    $119
    		• $10,939.99
    Ships
    06/26/13

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