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!
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
Over 50 years of experience delivering the best in High Performance Auto parts. JEGS has the knowledge and technical support staff along with 100% satisfaction guarantee. Our warehouse is filled with millions of name brand parts ready for same day shipping.
What You Want - When You Want It - At the Price You Want to Pay