HEADER FITMENT • Our headers were designed to fit with the engines located to the factory specifications.  If the engine is not located correctly in the chassis, the headers will not fit properly.  We strongly suggest you check your engine location prior to installation.  (Click here for the factory dimensions) • Due to various manufacturing designs, aftermarket parts, engine configurations, suspension combinations, etc... TTi cannot ensure headers and exhaust systems to fit all combinations.  However, we have done our best to accommodate both factory and aftermarket component combinations.  In some cases, slight modification or repositioning may be required on your part to clear the specific situation.

• 1.  PLATFORM: 67-76 A-BODY, 62-79 B-BODY, 70-74 E-BODY, 76-80 F-BODY and 77-88 M-BODY 2.  A/LA ENGINES: 273, 318, 340, 360, 402 crate, 408 MAGNUM CRATE, 440 SUPER COMMANDO CRATE 3.  CYLINDER HEADS: W2 ECONO 3870810, W2 RACE P4532693, ALUMINUM MAGNUM P4532900, LARGE-PORT COMMANDO P4532795 (!) Your cylinder head center bolt hole pattern spread must measure 3-15/16" from the center of the left bolt hole to the center of the right bolt hole for these headers to fit.  Click here for measurement illustration. 4.  SPARK PLUGS: STRAIGHT or ANGLED 5.  FRONT SUSPENSION: OEM or EQUIVALENT with torsion bars COILOVER without torsion bars:  The following coilover systems have been fit-checked with these headers and found there to be no clearance issues...  RMS Alterktion, Magnumforce Tubular, Magnumforce Modular Transformer, Control Freak • Steering Linkage:  OEM with torsion bars or Rack & Pinion without torsion bars • 67-76 A-bodies Only / Steering:  This header will not clear a Quick/Fast Ratio Pitman & Idler arm that is longer than the OEM arms.  Example; The Fast Ratio Pitman & Idler arms by Firm Feel, Inc. are 3/4" longer then stock.  DIY clearance can be achieved by dimpling the header tube(s), however, doing this modification will void your header and coating warranty.  (This note pertains to 67-76 A-bodies only.  Headers will fit B & E body applications with Quick/Fast Ratio arms.) • UniSteer Performance Rack and Pinion:  Headers will not clear 6.  ENGINE MOUNTS: OEM • Headers fit with Schumacher Creative Services engine mounts or equivalent. 7.  AUTO TRANS: YES  • Floor Shift:  Some applications may require the adjustable swivel & the lower rod to be re-positioned to clear the header collector.  See illustration sheet #3703 8.  STANDARD TRANS: YES • Flywheel:  Applications with an 11" flywheel, 143-tooth ring gear must use a RobbMc Performance starter #3005. • Clutch Linkage:  OEM   (!) 67-76 A-body applications may require a modified Z-bar.  [Modified Z-bar sold separately #ZB340] • Keisler Tremec TKO-500/600 Transmission:  Correct installation is imperative.  The output-end of the tail shaft must be in exactly the same position as the stock transmission output shaft for the headers to fit properly. 9.  FLOOR SHIFT: YES • Auto Trans:  Some applications may require the adjustable swivel & the lower rod to be re-positioned to clear the header collector.  See illustration sheet #3703 10.  COLUMN SHIFT: YES • 71-74 B-body & 70-74 E-body applications may require a modified Torque Shaft Assembly.  Torque Shaft Assembly sold separately #B7174TSA] 11.  PUSH BUTTON: YES 12.  STEERING: YES, POWER-STEERING or MANUAL STEERING • Borgeson Power-Steering Unit:  Mounting holes may require elongating to allow the steering unit to be moved away from the engine for adequate clearance from the header tubes.  See illustration sheet #7913 • 67-76 A-bodies Only / Steering:  This header will not clear a Quick/Fast Ratio Pitman & Idler arm that is longer than the OEM arms.  Example; The Fast Ratio Pitman & Idler arms by Firm Feel, Inc. are 3/4" longer then stock.  DIY clearance can be achieved by dimpling the header tube(s), however, doing this modification will void your header and coating warranty.  (This note pertains to 67-76 A-bodies only.  Headers will fit B & E body applications with Quick/Fast Ratio arms) 13.  STARTERS: THE FOLLOWING STARTERS HAVE BEEN FIT-CHECKED WITH THESE HEADERS AND FOUND THERE TO BE NO CLEARANCE ISSUES... AUTO TRANS / STANDARD TRANS with a 10.5" flywheel (130-tooth ring gear)... • OEM or Mini starters • Chrysler part no's:  R53005984, 56027702AC • Mopar Performance part no's:  P5249644AB, P5007860, P4286522 • PowerMaster Performance starter no's:  9513, 9523 STANDARD TRANS with an 11" flywheel (143-tooth ring gear)... • RobbMc Performance starter:  3005 Note:  Mini starters can easily be changed without removing the header. 14.  BELL HOUSING: ALL 15.  OIL FILTERS: SHORT SCREW-ON STYLE OR A 90º ADAPTER CAN BE USED 16.  OIL PANS: OEM, MILODON or EQUIVALENT • Milodon part no's:  30935, 30936, 30940, 30941 • Pro Touring pan part no's:  31590 & 31595 17.  VALVE COVERS: OEM, CAST ALUMINUM, STAMPED STEEL    TOP OF PAGE     PART NO'S & PRICING •  Click here for coating option details, header maintenance, and warranty information. •  Header sets include:  Header gaskets, header bolts (12), and header reducer adapters to transition to an exhaust system.    (!) Exhaust system size required when ordering. •  Prices do not include Shipping, Handling or California Sales Tax, if applicable.  Prices subject to change without notice. HEADER FINISH W2 1-5/8 x 1-3/8" STEP HEADERS with 3.0" collectors PART NUMBER PRICE C0:  RAW MILD STEEL •  Bare metal •  Very susceptible to rust For 67-76 A-bodies # TTi 340AW2-C0 $ 803.00 /set For B,E,F,M-bodies # TTi 340BEW2-C0 C4:  CERAMIC COATED • Silver satin (matte) exterior • Thermal barrier coated interior • Reduces under hood temperature by approximately 50º For 67-76 A-bodies # TTi 340AW2-C4 $ 984.00 /set For B,E,F,M-bodies # TTi 340BEW2-C4 C5:  POLISHED CERAMIC COATED • Polished silver exterior • Thermal barrier coated interior • Reduces under hood temperature by approximately 50º For 67-76 A-bodies # TTi 340AW2-C5 $ 1020.00 /set For B,E,F,M-bodies # TTi 340BEW2-C5 Updated: January 30, 2024 HEADER NOTES • A-body applications with Coilover/Tubular Suspensions (without torsion bars), use header part # TTi 340BEW2 Reason; the driver-side header is one-piece, no slip tube required. • B,E,F,M-bodies:  62-79 B-body, 70-74 E-body, 76-80 F-body, and 77-88 M-bodies • Coupled with a TTi Exhaust System, these headers become even more efficient!  ...Click here     INSTALLATION INSTRUCTIONS   Starter Clearance   Oil Filter   Short screw-on filter using a 90º adapter shown A-body header design for torsion bar suspensions Driver-side header designed with a slip-tube, torsion bar removal not required Installation Instructions • 67-76 A-body • B, E, F, M-body TOP OF PAGE     COMPONENTS & REPLACEMENT PARTS   PART DESCRIPTION PART NUMBER PRICE STANDARD TRANS:  MODIFIED Z-BAR For A-body standard transmission applications. See illustration sheet #340ZB # ZB340 $ 133.50 each   COLUMN SHIFT APPLICATIONS:  B & E-BODY TORQUE SHAFT ASSEMBLY Due to various manufacturing designs of the column shift linkage in some 71-74 B-body and 70-74 E-body vehicles, a modified design Torque Shaft Assembly may be required. A Torque Shaft Assembly is required if the drivers-side stock straight torque shaft rod is mounted below the torsion bar.  The stock straight torque shaft rod passes directly through the space where the header tubes or exhaust pipe to manifolds, must go. This precision bent assembly with laser-cut ends allows you to maintain your column shift linkage, and is a direct bolt-on replacement of your stock torque shaft rod.  [Illustration sheet B7174TSA .pdf]       727 Transmission # B7174TSA-7 $ 54.50 each   904 Transmission # B7174TSA-9 $ 54.50 each   HEADER GASKETS HTX-900 gasket material:  A high density non-asbestos fiber metal core composite consisting of graphite coated, hi-temperature facing material chemically and mechanically fused to an expanded steel core. A proven hi-performance exhaust gasket composite used extensively within the automotive racing industry, where characteristics such as structural strength and hi-temp load retention are required to withstand severe under-the-hood operating environments. Recommendation:  Permatex 81160 gasket silicone sealant.  Use a very thin layer of Hi-temp silicone sealer on each side of gasket. Note:  (2) Supplied with header purchase. # GA-HG340W2 $ 29.85 /set   HEADER BOLTS 5/16"-18x1 Note:  (16) Supplied with header purchase. # BO516 $ .94 each   3.0" 3-BOLT COLLECTOR GASKET     HTX-900 gasket material:  A high density non-asbestos fiber metal core composite consisting of graphite coated, hi-temperature facing material chemically and mechanically fused to an expanded steel core. Recommendation:  Permatex 81160 gasket silicone sealant.  Use a very thin layer of Hi-temp silicone sealer on each side of gasket. Note:  (2) Supplied with header purchase. # GA-RG30 $ 4.79 each     HEADER REDUCER ADAPTERS Used to transition headers to an exhaust system. Made of 16 gauge aluminized tubing, 3/8" thick flanges, includes 3-bolt gaskets & hardware. Note:  (1 set) Supplied with header purchase.  Size required when ordering.   Collector size x Exhaust system size x Reducer adapter length   3.0" x 2.5" x 9" long reducers # RED30X25X9 $ 57.50 /set   3.0" x 3.0" x 9" long reducers # RED30X30X9 $ 62.50 /set     TOP OF PAGE     ADDITIONAL OPTIONS • Evacuation tubes and EGT probe fittings can be installed prior to coating headers.  Installation of these options are considered a "Special-Order".  Please allow an additional 3-4 weeks for the special order work and the coating process. • Special-Order Deposit Required:  TTi requires a $50.00 non-refundable deposit for the following Special-Orders prior to the start of your order.  The balance will be due upon completion.     DESCRIPTION PART NO. PRICE O2 SENSOR BUNGS + INSTALLATION Steel fitting, 18mm threads, installed in the header collectors or reducer adapters. Installation locations:  Drivers-side, 9 o'clock / Passenger-side, 3 o'clock.     Installed in Header Collectors ... # MISC-02COL $ 117.38 /set  Installed in Drivers-side Header Collectors ... # MISC-02COL-DS $ 68.69 each  Installed in Reducer/Adapters ... # MISC-02RED $ 117.38 /set  Installed in Drivers-side Reducer/Adapters ... # MISC-02RED-DS $ 68.69 each         EVACUATION TUBE + INSTALLATION •  Evacuation tubes will be installed in the reducers or adapters •  Drivers-side installed in the 9 o'clock location •  Passenger-side installed in the 3 o'clock location     Evacuation tube installed in the header collectors ... # SP005-COL $ 126.40 /set Evacuation tube installed in the header reducer adapters ... # SP005-RED $ 126.40 /set         CRANKCASE EVACUATION SYSTEM KIT + TUBE INSTALLATION •  Allstar Performance Crankcase Evacuation System:  2 chrome plated push-on valve cover breathers, breather grommets, check valves and 3.5'' threaded tubes •  The 3.5" long threaded tubes will be used from the kit and will be installed in the reducer or adapters •  Drivers-side installed in the 9 o'clock location •  Passenger-side installed in the 3 o'clock location # KIT-EV34145 $ 152.20   Kit + Tube Installation   EGT PROBE FITTING + INSTALLATION •  304SS exhaust gas temperature fitting, 1/8" pipe, internal thread •  Typical installed 1" from the header flange •  (!) Specify which cylinder tubes when ordering. # MISC-EGT1 1st fitting  $  97.26 # MISC-EGT2 2nd fitting  $ 114.30 # MISC-EGT3 3rd fitting  $ 131.70 # MISC-EGT4 4th fitting  $ 149.08 # MISC-EGT5 5th fitting  $ 166.46 # MISC-EGT6 6th fitting  $ 183.83 # MISC-EGT7 7th fitting  $ 201.21 # MISC-EGT8 8th fitting  $ 218.59       TOP OF PAGE

Updated: January 30, 2024