Details
These Big Block Chevy Cylinder Heads are manufactured from Aerospace 355-T6 Aluminum - The toughest material used today, same as NHRA Pro Stock and NASCAR cylinder heads. These are manufactured for Liberty Engine Parts, a wholesale only supplier to the engine builder industry. These are NOT Pro-Comp heads.These have all the features of the best cylinders manufactured today and are designed and cast for ultimate reliability and life. These have thick & deep valve seats to eliminate the possibility of seats falling out. Thick decks for added strength for Nitrous or Boosted applications. The high quality castings utilize the latest technology for extra smooth port walls insuring the ultimate port flow. They flow over 400cfm intake & 295 exhaust
- 340cc intake ports
- 124cc smooth wall chambers
- 355-T6 Aerospace aluminum
- 2.250 x 1.880 intake & exhaust valves 11/32 stems
- Thick wall intake & hardened exhaust seats
- 405 cfm intake flow @ .800 lift, 295 cfm exhaust flow @ .800 lift
- .530 Bronze-silicone guides
- Spring pockets machined for 1.740 cups
- .750 thick decks
- Uses 5/8 reach gasket style spark plugs (NGK R5671A-9 (5238) or equivalent
Additional Information
| Manufacturer | USA Performance Parts |
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