Chevy 604 Crate Motor Parts

More Horsepower for your ‘604 Crate Motor

Turn your ‘604 Fast Burn crate motor into a contender with our “Look-A-Like” valve train parts.

 

Chevy 604 Crate Engine

Chevy 604 Crate Engine

‘604 Crate Cylinder Head Modifications – The Fast Burn, Vortec Bow-Tie style aluminum heads on the ‘604 are excellent flowing stock heads. Unlike the heads on the ‘602 & ‘603 crate motors, which improve tremendously with “UnderCover Porting“, this head will not benefit from “UnderCover Porting” modifications.

 

dscf0399_003Early Style “Look-A-Like” Replace­ment Valve Springs
More horsepower and elim­inate the valve train breakage, which was common with the early style ‘604 springs. They look like the orig­inal springs, have more spring pressure and last a few thou­sand laps vs. a few hundred for the stock spring. #604S – 16 “Look-A-Like” valve springs for the 604 Crate Motor – $349.00.

"Look-A-Like" Crate Motor Retainers: No more retainer breakage with our chrome moly retainers!  Same look as the original retainers and a lot stronger.

Early style “Look-A-Like” Crate Motor Retainers
No more retainer breakage with our chrome moly retainers! Same look as the original retainers and a lot stronger. #604R – 16 “Look-A-Like” retainers for the ‘604 Crate Motor – $100.00
“Look-A-Like” Machined Valve Locks               #604L – 16 pair of machined valve locks. Fit ‘602, 603 & ‘604 Crate Motor – $65.00

DSCF2305“Look-A-Like” Bee Hive Replace­ment Springs            The newer ‘604 crate motors have an updated Bee Hive style valves spring.  Our “Look-A-Like” Bee Hive spring is made from better material and increased the spring pressure 25 lbs at .500″ lift. 16 “Look-A-Like” Bee Hive springs.  $229.00

 

dscf0917_004Our Crate Master camshafts are ground on original Chevy camshaft cores. The duration and lobe centers are changed; the valve lift is the same as stock.       New Crate Master ‘604 camshaft – $475.00

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

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