Derale 10" Tornado Electric Fan - 650 CFM, 2700 RPM, 5.3 Amp Draw 7000301 This 230cc cylinder head is

This 230cc cylinder head is ideal for normally aspirated 396-427ci and for a wild 346ci the 230 is a good choice

Braided Nylon / Rubber

Timing Pointer

Full Pillar

Derale 10" Tornado Electric Fan - 650 CFM, 2700 RPM, 5.3 Amp Draw 7000301 This 230cc cylinder head isExclusive "Swept Wing" design is more efficient than traight blade fans and reduces amperage draw. Outer rings reduce operating vibration and the metal rod mounting systems provide easy, relaible installation. Tornado Fans can function as pullers or pushers by turning the blade over and reversing motor polarity. Fans will add horsepower and reduce drag. REVERSIBLE Can be mounted as a Pusher or a Puller with no airflow loss. It's patented blade design