World Products Motown Cylinder Heads

World Products Small Block Chevrolet “Motown” Cast Iron Cylinder Heads

The World Products Motown head is offered only in a 220cc intake runner version with 64 cc chambers. The Motown heads are updated Sportsman II heads. They are available in straight and angle plug design.

The 220 cc Motown head flows in the 250 to 260 cfm range in stock form. The intake air flow can improved to 275 – 290 cfm with our “Undercover Porting” or CNC Sportsman Porting.

NOTE: World Products Motown small block Chevrolet heads can be disguised to look like the Chevrolet ‘492 double hump heads and also to look like the World Sportsman II or S/R heads.

See “Masters of Disguise“.


Complete World Products Motown heads with “UnderCover Porting“. Assembled with 11/32 stainless valves, flat tappet springs & locators, steel retainers, machined locks, rocker studs and guide plates. Combustion chambers are reworked, valve seats machined and heads are flat surfaced to your specifications.   

Motown castings with “UnderCover Porting“. Bare, pair.

Cylinder Head Design Form: Fill out our online form for a recommendation and pricing on a set of heads built specifically for your application. Also, here is a link to more detailed information on our Complete Cylinder Head Assemblies. Cylinder Head FAQs

Free Custom Camshaft: With your purchase of a complete set of modified heads and a matching, modified intake, we will supply a custom ground flat tappet camshaft designed specifically for your application


Sending your cylinder heads to us for modifications? Check out our head shipping tips.