Header Accessories
Complete your race car exhaust build and ensure leak-free performance with high-grade drag racing header accessories from Quarter-Max. We offer exhaust flanges, header gaskets, collector tabs, header bolts, slip collectors, tether kits, and EGT bungs engineered to withstand extreme exhaust temperatures and intense race conditions pass after pass.
-
Header Bolt & Stud Kit
ARP
$135.44Header Bolt & Stud Kit, UniversalSpecifications:• OAL: 1.500"• Thread Size: 3/8"-5/16"Sold in a package of 16.ARP-100-1411$135.44 -
Mr. Gasket Ultra-Seal Header Gasket, BBC, 2.40 in.
Mr. Gasket
$47.45Fits 1965-1990 Chevrolet 396-454 Mark IV Big Block. Round Ports, 2.40 Inch Manufactured from high-temperature steel core/graphite faced exhaust material. Expanded steel core provides stability and maximum torque retention to eliminate gasket failure...MRG-5914$47.45 -
QM 5" Thruster Turnout
Quarter-Max
$220.49The 5" thruster turnout is made of 304 stainless steel. 5" x .065 90 degree elbow. Sold eachQM-214513$220.49 -
QM Collector Tether Replacement Metal Lock Nut
Quarter-Max
$0.83These are the replacement lock nuts for the QM Collector Tether System part#214514 10-32 metal to metal lock nut. This lock nut does not have nylon inside. Sold EachAN363-1032$0.83 -
QM EGT Weld-In Bung
Quarter-Max
$11.22When welded in place, bung provides a place to mount your EGT sensor.QM-219307$11.22 -
QM EGT Weld-In Bung, Stainless Steel
Quarter-Max
$16.54Stainless Steel EGT Weld In Bung.QM-219307-1$16.54 -
QM Exhaust Cover DRCE
Quarter-Max
$25.19Keep dirt and debris from getting in the exhaust ports of your engine and causing costly repairs. Designed to fit 9.800 bore spacing DRCE cylinder heads. Material 1/4” 6061-T6 aluminum. Sold each.QM-430259$25.19 -
QM Header Collector, 2-1/2 in. Inlet x 5 in. Outlet
Quarter-Max
$310.79Header CollectorSpecifications:• Inlet: 2-1/2 in.• Outlet: 5 in.• Length: 15 in.QM-0231$310.79 -
$81.89 -
$4.19 -
QM Merge Collector, 2-3/8" Inlet, 4-1/2" Outlet
Quarter-Max
$310.79Merge CollectorSpecifications:• Inlet: 2-3/8"• Outlet: 4-1/2"• Length: 14-1/2"QM-0232$310.79 -
QM O2 Bung Plug
Quarter-Max
$12.59This is a O2 sensor plug that you can use to plug your old O2 sensor bung if it not in use.QM-219306-1$12.59 -
QM O2 Sensor Stainlesss Weld-In Bung
Quarter-Max
$15.74When welded in place, this bung provides a place to mount O2 sensor.QM-219306$15.74 -
QM Stainless Steel Header Flange
Quarter-Max
$142.795" Bore 2.5" Tube Size 5/16" ThickQM-410784-5S$142.79 -
QM Stainless Steel Spring
Quarter-Max
$7.34This spring attaches to the header collectors 1/2" x 3" free. Length is 3" with max length of 4.440”QM-0228$7.34 -
On Sale
QM Weld On Collector Tether System
Quarter-Max
Retail: $100.79Now: $95.54Was: $100.79The Quarter-Max Weld-On Tether System is NHRA accepted for the new NHRA Collector Tether rule for 2014 requiring all slip-on Header Collectors for all classes in the NHRA to be tethered. Quarter-Max Weld-on Tether System: Each kit will do one pair of...QM-214514-1Retail: $100.79Now: $95.54Was: $100.79 -
Retail: $15.74$13.99 -
Stainless Safety Cable with Key Ring and Gasket
Quarter-Max
$3.49Keep your quick-release pins, fasteners, and critical components firmly secured with the Quarter-Max Stainless Safety Cable with Key Ring and Gasket. Built for the rigorous demands of racing and custom chassis fabrication, these durable tethers...QM-390200$3.49 -
Zoomie/Pro Mod Strut Rod Kit, 1.50 in. Upper Chassis Clamp
ProFabrication
$201.60ProFabrication Zoomie/Pro Mod Strut Rod Kit, 1.50 in. Upper Chassis ClampThis header support kit is designed to support your headers to the chassis on fender exit headers. The upper mount clamps to your 1.50 in. strut tubes and the other end will weld to...PRO-ZPM150ASSY$201.60