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Dynatech® 711-55910 Chevy 604 Crate Header Kit, 1-5/8 - 1-3/4 Inch
Dynatech® 711-55910 Chevy 604 Crate Header Kit, 1-5/8 - 1-3/4 Inch

Dynatech® 711-55910 Chevy 604 Crate Header Kit, 1-5/8 - 1-3/4 Inch

604 GM Chevy Crate Engine, 1-5/8 to 1-3/4" Primary Tube Diameter

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Dynatech® 711-55910 Chevy 604 Crate Header Kit, 1-5/8 - 1-3/4 Inch
Dynatech® 711-55910 Chevy 604 Crate Header Kit, 1-5/8 - 1-3/4 Inch
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We estimate this item will ship on or before November 23rd.
Part # 31171155910
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Important Messages:

  • This item ships directly from the manufacturer. It may take an additional 1 business days for Dynatech to ship this item.
  • Get FREE shipping when your order includes this item and exceeds $99! Ground shipping only in the contiguous US.
  • This item ships via Ground Shipping only. Expedited and Air shipping options are not available.


Primary Tube Diameter:
1-5/8 to 1-3/4"


These Stainless Steel 604 Crate Engine Dirt Late Model Header Kits have been designed specifically for use with 604 Crate Engines. Special designed port to get the most power out of your Crate Engine. CNC Laser Cut Flanges and optimized tube length for best overall performance. 100% Stainless Steel construction and surfaced flanges make this a durable header that remains leak free for multiple racing seasons. This is a complete kit that comes with the 80 degree elbow for the left side and a 14.00" extension for the right side to equal out the system. Comes standard with a Full One Year Warranty. ½ sets (Crash Replacements) are also available. “ Also check out our 772-06322 Tq Boosters for an additional 10% Power Gain. Or our complete kit (Part# 711-65910) which includes the Tq Boosters with the kit listed above, all in one box.
Fits the following chassis:
Bernheisel, Dirt Tek, Lazer, Mastersbilt Rayburn, Warrior

Some parts are not legal for use in California or other states with similar laws/regulations

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