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- Suits Small Block Chev 1957-1995
- Idle-5500rpm range, ideal for a street performance engine
- Cast aluminium, natural finish
- Suits square bore 4 barrel carburetors and throttle bodies
Calflow manifolds are cast in high pressure steel dies rather than the pour-in sand molds used by other aftermarket manifold manufacturers. This type of tooling costs 2-3 times more than conventional sand-cast patterns, but the finished product is worth the additional expense. And because the cores (which form the internal ports and water passages) are mounted in steel instead of sand during the casting process, there is no chance of any core shift, which sometimes go undetected in sand castings.
Part Number: CAL-7601