Kit Information

"What's included in a kit?"


Kits include prebent primary tubes, flanges and collectors.  To see what other parts
and options may be included in your weld-up kit, click on the appropriate category below:


4 & 6 Cylinder Kits (Imports)

  • 4 & 6 cylinder kits are available with weld-on or slip-on collectors.

Note: Gaskets may not be available for all 4 or 6 cylinder heads.

Chevy Small Block

  • Basic kits include weld-on collectors and stars.  
  • Deluxe kits include removable collectors and tabs.
  • 23 (6-bolt standard port) with 1-3/4" or smaller primaries includes header bolts and standard square port gaskets.  Oval port header flanges are included.  Other port shapes available upon request.
  • 23 (6-bolt standard port) with 1-7/8" or larger primaries includes header bolts, standard square port gaskets, adapter plates, countersunk screws and D-port adapter gaskets.   Header flanges are round port.  D-port, etc. available upon request.  Adapter flanges are square port and should be port matched to your cylinder head. 
  • 23 (7-bolt spread port) includes header bolts and D-port gaskets.  Round port flanges are included.  D-port, etc. available upon request.
  • Brodix 18 (7-bolt spread port) includes header bolts and gaskets.  
  • Dart 18 degree includes header bolts (gaskets not available).
  • GM 18 includes header bolts (gaskets not available).  Kits with 2" or larger primaries also include adapter plates and countersunk screws.
  • Flange designs and various port shapes available for many aftermarket cylinder heads.  Please check with our sales department.

Note: Gaskets may not be available for all aftermarket cylinder heads.

Chevy Big Block

  • Basic kits include weld-on collectors and stars.  
  • Deluxe kits include removable collectors, tabs, gaskets and bolts.
  • Round port flanges are included with kits.  Other port shape flanges are available upon request.  Please specify when ordering.

Note: Gaskets may not be available for all aftermarket cylinder heads.

Buick Chevy

  • Ford Windsor kits #131, #137, and #183 can be used for Buick Chevy applications.   Specify Buick Chevy when ordering.
  • Basic kits include weld-on collectors and stars.  
  • Deluxe kits include removable collectors, tabs, and bolts.

Note:  Gaskets are not available for Buick Chevy applications.

Ford

  • Basic kits include weld-on collectors and stars.  
  • Deluxe kits include removable collectors, tabs and header bolts.
  • Some SB Windsor applications require adapter plates and countersunk screws.  Please check with our sales department.

Note:  Gaskets are not available for Ford applications.

Mopar

  • Basic kits include weld-on collectors and stars.  
  • Deluxe kits include removable collectors, tabs and header bolts.
  • Some SB Mopar applications require adapter plates and countersunk screws.  Please check with our sales department.

Note:  Gaskets are not available for Mopar applications.


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