Xtreme Motosports -- Tempe,AZ -- (480) 517-4969

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Engine

C5R 7.0 GM Race Block

The ultimate foundation for any LS1 high performance engine build up. GM cast race case machined for wet sump operation. This is the same casting used in the Corvette C5R race cars, with the addition of bay-to-bay breathing and all operational oil supply galleys. Designed by GM to have a 4.120" bore from the start, with a maximum of 4.130".

Xtreme Street C5R 427 Engine

C5R Race Cylinder Case, Stage III CNC Ported and Bore Matched Heads, forged crank, forged rods, Forged Pistons, Custom Ground Camshaft, and all new bearings/seals/sensors.

The package price on this engine is an estimate and can vary dramatically dependent upon customer specific requirements. No core charge applied with this motor, but we will apply a credit if a core motor is supplied. Vehicle transportation can easily be arranged.