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    Header Adapters and Spacers

HS1 - Attaches Stahl or Brodix bolt pattern exhaust to SBC heads. Center ports of the Stahl, Brodix pattern have a 4.9” dimension between the lower two 3/8 diameter bolt holes. D shaped ports are 1.3” x 1.3”. Made from 6061T6 aluminum, ½” thick. Includes 12 bolts to attach to heads.
$90 With Free Shipping

HS2 - Attaches SBC bolt pattern exhaust to heads with Stahl or Brodix bolt pattern. Center ports of the Stahl, Brodix pattern have a 4.9” dimension between the two 3/8 diameter holes. D shaped ports are 1.3” x 1.3”. Made from 6061T6 aluminum, ½” thick. Includes 14 bolts to attach to heads.
$90 With Free Shipping

HS3 - Attaches Stahl or Brodix bolt pattern exhaust to SBC heads. Center ports of Stahl, Brodix pattern have a 4.9” dimension between the two 3/8 diameter bolts. Larger D shaped ports are 1.5” wide x 1.65” tall to minimize porting time when fitting to large port heads. Made from 6061T6 aluminum ½” thick. Includes 12 bolts to attach to heads.
$90 With Free Shipping

HS4.75 - Spacer for Small Block Chevy heads to SBC exhaust. D shaped ports are 1.3” x 1.3”. Made from 6061T6 aluminum Ύ” thick. Also available is HS4.5, ½” thick.
$90 With Free Shipping

HS5.75S - Spacer for Big Block Chevy heads to BBC exhaust with square ports 1.85” x 1.85”. Made from 6061T6 aluminum Ύ” thick. Also available is HS5.75R with round ports.
$90 With Free Shipping

HS6.75 - Spacer for SB2 heads to SB2 exhaust. Round ports are 1.9” diameter. Made from 6061T6 aluminum Ύ” thick. Also available HS6.5, ½” thick.
$90 With Free Shipping

HS8.75 - Spacer for Small Block Chevy heads to SBC exhaust. Square ports are 1.45” wide x 1.5”tall for Vortec heads. Made from 6061T6 aluminum Ύ” thick. Also available HS8.5, ½” thick.
$90 With Free Shipping

HS9-AL - One piece spacer for Small Block Chevy heads to SBC exhaust. Square ports are 1.45 wide x 1.5 tall. Especially useful for installing in tight spaces like boat engine compartments. Inner bolts on end ports are counter bored to bolt to heads if using marine exhaust manifolds. Allows removal of manifold without removing spacer. Made from 6061 aluminum Ύ" thick. Includes 4 bolts to attach to heads through counter bored holes.
$120 With Free Shipping* - Call for USPS Express Mail

HS10 - One piece spacer for Big Block Chevy heads to BBC exhaust. Square ports are 1.85 wide x 1.8 tall. Especially useful for installing in tight spaces like boat engine compartments. Two tabs with holes are provided to bolt adapters to heads before exhaust is attached if desired. Allows removal of manifold without removing spacer. Made from 6061 aluminum Ύ" thick.
$120 With Free Shipping* - Call for USPS Express Mail

HS11 - Spacer adapter bolts to a Brodix, Stahl bolt pattern head to a Brodix, Stahl pattern exhaust. Center ports of Stahl, Brodix pattern have a 4.9” dimension between the two 3/8 diameter bolts. One side fits a 1.8 diameter Brodix port (Felpro gasket # 1409) to a D shaped Stahl port (Felpro gasket # 1407). Ports blend smoothly from one shape to the other requiring minimal hand porting. Made from 6061T6 aluminum Ύ” thick.
$105 With Free Shipping

HS12 - Attaches Hooker bolt pattern exhaust to SBC heads. Center ports of the Hooker pattern have a 4.25” dimension between the lower two 5/16 diameter bolt holes. Square ports are 1.45 wide x 1.5 tall. Made from 6061T6 aluminum, ½” thick. Includes 12 bolts to attach to heads.
$90 With Free Shipping

HS13 - Oxygen sensor fitting boss to be welded into exhaust pipe. MM 18 x 1.5 threads fit the most popular sensors. Made from mild steel for ease of welding.
$17 With Free Shipping
2 for $25 With Free Shipping
3 for $33 With Free Shipping


HS14 - Attaches Rehr-Morrison bolt pattern exhaust to SBC heads. Center ports of Rehr-Morrison pattern have a 4 17/32” center to center dimension between the top two 3/8 diameter bolts. Rectangular ports are 1.45 wide x 1.55 tall. Made from 6061T6 aluminum, ½” thick. Includes 12 bolts to attach to heads.Clearance cut on top to reduce valve cover interferances.
$90 With Free Shipping


HS15 - Attaches Reher-Morrison bolt pattern exhaust to 18 degree bolt pattern heads. Center ports of Reher-Morrison pattern have a 4 17/32" center to center dimension between the top two 3/8" diameter bolts. Eighteen degree heads have a spacing of 4 5/8" between the two holes on either side of the center ports. Our rectangular ports are 1.6 wide x 1.7 tall. Made from 6061 T6 aluminum. ½" thick. Includes 12 bolts to attach adapters to heads. Clearance cut on top to reduce valve cover interference.
$90 With Free Shipping


HS16 - Attaches 18 degree exhaust to Brodix / Stahl bolt pattern heads.18 degree heads have a spacing of 4 5/8” between the two 3/8 bolt holes on either side of the center ports. Brodix / Stahl pattern have a 4.9” spacing between the bottom two 3/8” bolt holes below center ports. Our rectangular ports are 1.6” wide x 1.7” tall. Made from 6061 T6 aluminum, ½” thick. Includes 12 bolts to attach adapters to heads.
$90 With Free Shipping


HS17.75 - Spacer for Stahl or Brodix bolt pattern exhaust to Stahl/Brodix pattern heads. Center ports of Stahl, Brodix pattern have a 4.9” dimension between the two 3/8 diameter bolts. D shaped ports are 1.5” wide x 1.65” tall. Made from 6061T6 aluminum 3/4” thick. Also available is HS17.5, 1/2" thick.
$90 With Free Shipping



  Air Cleaner Adapter


NM04 - Air cleaner adapter to use a standard 5 1/8" diameter air cleaner housing on a 4 7/32" neck carberetor. This part is machined from billet 6061 aluminum, and will not deform like the plastic ones, plus it looks a lot better. Similar to the plastic part made by Mr Gasket #KAI 2082."
$35 With Free Shipping



  Duct Support

AR3 - Duct support and coupling bracket. Has angle shaped attaching point molded to a three inch diameter tube. Attaches to square or round frame members easily with zip ties, hose clamps or drilled and screwed. Made from a super tough nylon material that is nearly indestructable. Allows use of shorter pieces of expensive high heat restisant flex ducting near brakes and lower heat ducting going to the front inlet ducts. Sold in Pairs.
$20.00/pr. With Free Shipping



  Race Car Vents

Front Air Vents
5-1/2" x 7-1/2"
3" Outlet
Sold in Pairs
$33/pr. - Free Shipping
Choose Option


NACA Style Side Vent   5-1/4" x 11"
3" Outlet
Sold in Pairs
$40/pr. - Free Shipping
Choose Color



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