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Pontiac 455/500HP Crate Engine by Tuff Dawg Engines

This Pontiac 455 Crate Engine by Tuff Dawg Engines would be EXCELLENT to bring your Firebird/Trans Am, Tempest, GTO/Goat, LeMans, etc to life! This engine has a rough idle. If you are using an A/T, a 2800rpm to 3000rpm stall speed converter will be required.

The balanced rotating assembly includes:

  • 4.210" stroke crank
  • 6.625" I-beam rods with ARP rod bolts
  • With 10 to 1 compression forged pistons there is no need to mix fuel, this engine will run on Premium pump gas

More special features of this engine include:

  • New Forged pistons
  • Built with either a 400 or 455 block
  • Deck head gasket surface on block to ensure a good seal
  • New Hydraulic flat tappet cam with .500" valve lift
  • New Edelbrock aluminum heads
  • 2.110"Int/1.660"Exh stainless swirl polished valves with 11/32" undercut stems for improved flow.
  • 1.440" High performance valve springs set up to match camshaft
  • New Roller tip rockers
  • New Double row timing set
  • New Oil pump
  • New Brass expansion plugs
  • New Edelbrock Performer intake manifold
  • All parts are painted separately before assembly for that show quality look

This engine comes completely assembled with oil pan, timing cover, harmonic balancer, valve covers, and Edelbrock intake manifold.

This engine is custom built from start to finish in our state of the art facility by professionals that take pride in their work to guarantee that you get a top quality engine the first time!.

This engine is covered by a 1 year written warranty.
(There is no warranty when using a Blower, Turbo, Super Charger or NOS)

If you have any questions regarding this item please call us at
D&J Machine & Performance Engines
(602) 395-0800 Mon-Fri 8:00AM to 5:00PM MST

Current Phoenix Time
NOTE: Arizona does not observe Daylight Savings Time
or email us at enginebuilder_1


How to purchase this Tuff Dawg Engine


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