1 8

Atech Motorsports

Trans-Dapt Performance 1968-72 GM A-Body LS Swap-In-A-Box Kit, Long Tube Headers TH350/TH400

Trans-Dapt Performance 1968-72 GM A-Body LS Swap-In-A-Box Kit, Long Tube Headers TH350/TH400

$1,299.99 USD
$1,299.99 USD
Sale Sold out
Header Finish

This standard-duty header Swap-In-A-Box Kit is developed specifically for installing an LS engine and TH350, TH400 or 700R4 transmission into 1968-72 GM A-Body passenger cars (i.e. Chevelle, El Camino, GTO, Cutlass, Skylark, 442 and others). This comprehensive kit includes a pair of mild-steel, long tube headers with gaskets, bolts and exhaust adapters, a complete engine mount kit with hardware and rubber pads, LS swap engine oil pan with bolts, gaskets and special pick-up tube.

Kits with polished-silver ceramic-coated or, satin black ceramic-coated headers are also available. Headers are backed by a limited lifetime warranty. All other components are covered for a full year from the date of purchase.

Headers are backed by a limited lifetime warranty. All other components are covered for a full year from the date of purchase.

  • IMPORTANT INFO ABOUT THIS KIT AND YOUR LS ENGINE'S OIL FILTER LOCATION! This LS Swap kit uses a specially designed STEEL engine swap pan that requires the relocation of your LS engine's oil filter. The HP Group manufactures and offers six different oil filter integration kits. CLICK HERE TO VIEW THESE LS ENGINE SWAP FILTER INTEGRATION KITS IN A NEW WINDOW
  • Tube Diameter - 1-3/4 in.
  • Air Conditioning - Yes
  • Automatic Transmission - Column - Yes
  • Automatic Transmission - Floor - Yes
  • Manual Transmission - Column - No
  • Manual Transmission - Floor - No
  • Power Steering - Yes
  • Transmission Compatibility - TH350, TH400
  • Baffled - No
  • Chassis Compatibility - CHEVY ONLY. Buick, Pontiac, Olds models require frame kit #9596. Sold separately
  • Collector Attachment - Yes
  • Collector Size - 3 in.
  • Collector Style - Ball and Socket Flange
  • Reducer Outlet Size - 2-1/2 in.
  • Exhaust System Dia - 2-1/2 in.
  • Contents - Headers; Engine Mounts; Oil Pan; related gaskets and Hardware
  • Emissions Notes - Not Legal For Street Use on '75-Later Model Years! Legal for off-road use only.
  • Engine - Chevy LS Series
  • Flange Style - Standard
  • Flange Thickness - 0.375 in.
  • Product Type - Complete SWAP-IN-A-BOX Kits
  • Header Port Shape - Round
  • Header Style - Long Tube
  • IMPORTANT! - Some LS have dipstick in pan and will require drilling of dipstick port on block
  • O2 Sensors Included - No
  • Pickup #2522
  • Port Shape - Round
  • Material - Mild Steel
  • Sump Style - Wet Sump
  • Tube Length - Mid-Length Tubes
  • Variations - 46011, 46012, 46014
  • Model/Trim Details - COUPE Models
  • Model/Trim Details - CONVERTIBLES and EL CAMINOS
  • Dipstick Port - No
  • Sump Location - Rear
  • Kicked Out - No
  • with A.I.R. System - No
  • with EGR - No
  • Oil Pan Depth (in)2 in. at front of Pan; 6 in. at Rear Sump
  • Tuned - No
  • Bolts/Studs Included - Yes
  • Collector Bolts Included - Yes
  • Crank Shaft Wiper Included - No
  • Crossover Pipe Included - No
  • Dipstick Included - No
  • Drain Plug Included - Yes
  • Gasket Or Seal Included - Yes
  • Header Fasteners Included - Yes
  • Hedman Hedders Included - Yes
  • Installation Hardware Included - Yes
  • Motor Mounts Included - Yes
  • Mounting Bracket Included - Yes
  • Oil Pan Included - Yes
  • Oil Pan Bolts Included - Yes
  • Oxygen Sensor Bung Included - No
  • Pickup Included - Yes
  • Reducers Included - Yes
  • Windage Tray Included - No
  • Y-Pipe Included - No
  • Primary Tube Gauge16g
  • Primary Tube Diameter (in)1.75 in.
  • Package Contents - Headers; Engine Mounts; Oil Pan; related gaskets and Hardware
  • Header Material - Mild Steel
  • Cylinder Head - Factory Style
  • O2 Provision - No
  • Oil Pan Capacity - 5 Qt. Capacity
  • Oil Pan Finish - Red Painted
  • Oil Pan Material - Steel
  • Stroker Clearanced - No
  • Mount Material - Mild Steel
  • Performance - Yes
  • Welding Required - No
  • Vehicle Family - A-Body (GM) 1968-72
  • Header Construction - MILD STEEL- Standard-Duty
  • O.E. Replacement - No
  • Replacement Gasket - 27470
  • Replacement Headers - 68140
  • Replacement Motor Mount Kit - 4601
  • Replacement Oil Pan - 1108
  • California Proposition 65 WARNING: Cancer & Reproductive Harm. For more info visit www.P65Warnings.ca.gov

NOTE: It is possible that some of these kits may take 2-4 weeks to complete depending on header finish.

View full details