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Blackbird Speed

BB420 Aluminum Specs

 

*Aluminum LC9 Block cleaned, squared, and new cam bearings installed

*Crankshaft checked and polished (turned 10/10 if needed)

*Fresh surfaced 243 Cathedral port heads w/ pac 1218 valve springs

*Hand-lapped valves and new valve seals
*new lifter trays

*premium gasket set

* King/Clevite main and rod bearings (.0020  on mains and .0025 on rods)

*new Michigan Motorsports timing set and tensioner

*BTR multi-layer head gaskets

*New Head Bolts

*Elgin 1840p Camshaft, LS7 lifters, and Elgin pushrods

*BTR trunion kit installed in factory rockers

*new melling oil pump

*polished or powder-coated custom valve covers


Before customer delivery, the engine will run on my stand (camshaft broken in, checked for leaks, oil pressure verified). 

The customer is welcome to be present for the run session


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