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331 415 -2
Allows for two nozzles to be controlled
The optional liquid-to-air intercooler installed on this LS makes it a drop-in relative to its air-to-air intercooled sisters which require more fabrication
especially at part throttle operation
namely Compstar
Callies Center Counterweight (CCW) Apex Crank for LS & LT Engines Big M 331 415 -2We here at Borowski Race Engines, Inc are big fans of Callies cranks and rods for a lot of reasons. Performance is always part of the equation but durability is right up there. As we see it, price is less important than performance and durability since if it either doesn't work or wrecks your engine, it was a bad deal. Low cost materials or parts may be okay in low performance engines coming from the OEMs. If you want really big power, low end parts
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