This Product is MADE IN THE USA!


Engine Swap-In-A-Box Kit; Installs a GM LS (Gen III/IV) and TH350/TH400 into '68-72 GM A-Body Cars (Chevelle, El Camino, related A-Bodies); T304 STAINLESS STEEL, 1-3/4 in., LONG Tube Headers- BLACK-MAXX Satin Black Ceramic-Coated Headers.

Each member company of the Hedman Performance Group is a specialist in the field they serve. Hedman hedders specializes in headers, Trans-Dapt Engine/transmission swap mounts, and Hamburger's focuses on oil pans. Working together, the HP Group companies join as one to develop comprehensive kits that include everything you'll need to safely, and properly, fasten the donor LS engine to the vehicle's chassis. Sold as a single part number, purchasing complete engine swap kit ensures the products have been developed to work with each other, and takes the guesswork out of choosing swap products.

This Premium, stainless, long tube 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 BLACK-MAXX Satin-Black ceramic coated, T304 Stainless steel, long tube headers with gaskets, bolts and exhaust adapters, a complete engine mount kit with hardwarde and rubber pads, LS swap engine oil pan with bolts, gaskets and special pick-up tube.

Kits with uncoated or polished-silver 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.

Product Specifications


  • 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
  • Baffled No
  • Chassis Compatibility CHEVY ONLY. Buick, Pontiac, Olds models require frame kit #9596. Sold separately
  • Collector Size 3 in.
  • Collector Style BALL and SOCKET Style (Gasketless)
  • Reducer Outlet Size 2-1/2 in.
  • Exhaust System Dia 2-1/2 in.
  • Emissions Notes Not Legal For Street Use on '75-Later Model Years! Legal for off-road use only.
  • Engine Chevy LS Series
  • Finish BLACK MAXX Satin Black Ceramic-Metallic
  • Flange Thickness 0.375 in.
  • Product Type Complete SWAP-IN-A-BOX Kits
  • 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
  • Power Steering Yes
  • Material T304 Stainless Steel
  • Sump Style Wet Sump
  • Transmission Compatibility TH350
  • Transmission Compatibility TH400
  • Tube Length Long Tubes
  • Model/Trim Details COUPE Models
  • Model/Trim Details CONVERTIBLES and EL CAMINOS
  • Installation Notes Pan has -10AN inlet / outlet ports, and requires relocation of the oil filter.
  • 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
  • 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 Hardware 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 Gauge 16g
  • Primary Tube Diameter (in) 1.75 in.
  • Package Contents Headers; Engine Mounts; Oil Pan; related Hardware
  • Header Material T304 Stainless Steel
  • Header Finish BLACK MAXX Satin Black Ceramic-Metallic
  • Cylinder Head Factory Style
  • O2 Provision No
  • Oil Pan Capacity 5 Qt. Capacity
  • Oil Pan Material Steel
  • Transmission Type Automatic Transmission
  • Vehicle Family A-Body (GM) 1968-72
  • Replacement Gasket 27470
  • Replacement Head Flange Gasket 27470
  • Replacement Motor Mount Kit 4601
  • California Proposition 65 WARNING: Cancer & Reproductive Harm. For more info visit
  • Sump Dimensions 6 in. Deep x 8.25 in. Wide x 7 in. Long