| Here's what you get: |
Here's what you can do: |
| True priority main oiling for standard hydraulic roller lifters |
Oil feed holes can be plugged/restricted for mechanical lifters |
| 9.26" semi-finished deck heights (standard deck) |
Can be machined safely to 9.22" deck heights (standard deck) |
| 6-bolt LS7 billet main caps with std. 10mm LS7 fasteners |
Can be machined for aftermarket premium 11mm fasteners |
| 3.990" bore, ready for honing |
Maximum 4.250" bore @.200" minimum wall thickness |
| 6-bolt LSX bolt pattern |
Standard pattern for naturally aspirated applications |
| 11mm standard bolts |
Can be machined for 1/2" aftermarket head studs |
| 8mm exterior/interior bolts |
Modified 6-bolt pattern (for boosted applications) |
| All 5 cam bores for standard (small O.D.) bearings P/N 12453169 |
Can be machined to accept 60mm roller bearings |
| Added material around standard .842" lifter bores |
Can be machined for larger lifters and/or 1.060" bronze bushings |
| 7th transmission bolt hole added (per Early SBC) |
Stud can be installed for applications where sanctioning body requires |
| Front motor plate mounting holes added |
For racing chassis applications (sprint car, drag racing, truck pulling, etc) |
| O-ringed screw-in soft plugs |
For external heater or coolers |
| Accommodates any LS small block oil pan or oil pump |
Standard LS wet sump systems, and LS7 dry sump systems fit |
| External oil pump feed @ rear of block |
Front oil feed lines can be plugged and external oil pump/aftermarket dry sump systems can be used.
Belt cam drive can be accommodated |
| Main web bay to bay breathing holes for increased HP |
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| Access windows for cylinder head stud access (intake side) |
|
| Extra breathing pocket added near starter for better windage |
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