TRANS-DAPT PERFORMANCE PRODUCTS SWAP IN A BOX KIT-LS ENGINE INTO 73-87 2WD CHEVY/GMC TRUCKS & 73-91 2WD GM SUVS AUTOMATIC TRANSMISSION WTH RAW T304 ST
Trans-Dapt Performance

TRANS-DAPT PERFORMANCE PRODUCTS SWAP IN A BOX KIT-LS ENGINE INTO 73-87 2WD CHEVY/GMC TRUCKS & 73-91 2WD GM SUVS AUTOMATIC TRANSMISSION WTH RAW T304 ST

Part Number:42251

Engine Swap-In-A-Box Kit; Installs a GM LS In 1973-87 Chevy/GMC 2WD 1/2-3/4 Ton Trucks, Suburbans (Not For Blazer), AUTOMATIC Transmission; T304 STAINLESS STEEL, 1-3/4 in., MID-LENGTH Tube Headers- UNCOATED Mild Steel Construction

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 Chevy truck 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 header Swap-In-A-Box Kit is developed specifically for installing an LS engine and automatic transmission into 1973-87 Chevy C10/C20/R10/R20 and GMC C15/C25/C1500/C2500 Pickup Trucks (2WD), and '73-91 2WD Suburbans. This comprehensive kit includes a pair of uncoated T304 Stainless steel, Mid-Length 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, and a transmission crossmember for use with a 4L60E, 4L70E, 4L80E, 4L85E, 6L85E and 6L90E automatic transmission.

Complete C10/C20 Engine Swap In A Box Kits with Hedman's HTC polished silver ceramic-coated, or Black-Maxx satin black ceramic-metallic 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.


Retail price
  • $2,611.96
Features
  • SKU
    42251
  • Brand
    Trans-Dapt Performance
  • Air Conditioning
    Yes
  • Automatic Transmission - Column
    No
  • Automatic Transmission - Floor
    Yes
  • Baffled
    No
  • Collector Diameter
    3.0 in.
  • Collector Style
    Ball and Socket (Gasketless)
  • Cylinder Head
    Factory Style
  • Dipstick Port
    No
  • Engine Fitment
    Chevy LS Series
  • Exhaust System Diameter
    2.5 in.
  • Finish
    Uncoated
  • Fitment Note
    2WD
  • Fitment Note
    4L60E Transmission
  • Fitment Note
    Automatic Transmission
  • Fitment Note
    C10/C15 Trucks and SUVs; 1973-87
  • Fitment Note
    Fits 2WD
  • Fitment Note
    Pan has -10AN Inlet / Outlet Ports, and Requires Relocation of the Oil Filter.
  • Flange Thickness
    0.375 in.
  • Header Port Shape
    Round
  • Header Style
    Mid-Length
  • Installation Method
    Welding Required
  • Installation Note
    Pickup Number 2522
  • Kicked Out
    No
  • Manual Transmission - Column
    No
  • Manual Transmission - Floor
    No
  • Material
    T-304 Stainless Steel
  • O2 Provision
    No
  • Oil Pan Capacity
    5.0 qt.
  • Oil Pan Depth
    2.0 in. (Front), 6.0 in. (Rear Sump)
  • Oil Pan Material
    Steel
  • Package Contents
    Headers, Engine Mounts, Transmission Crossmember, Oil Pan, Hardware and Gaskets
  • Port Shape
    Round
  • Power Steering
    Yes
  • Primary Tube Diameter
    1.75 in.
  • Product Note
    Some LS have Dipstick in Pan and will Require Drilling of Dipstick Port on Block
  • Product Type
    Complete SWAP-IN-A-BOX Kits
  • Prop 65 - Short Label
    WARNING: Cancer and Reproductive Harm - www.p65warnings.ca.gov
  • Reducer Outlet Diameter
    2.5 in.
  • Reducer Outlet Size
    2.5 in.
  • Replacement Head Flange Gasket
    Yes
  • Replacement Manifold Gasket Part Number
    27470
  • Sump Dimensions
    6.0 in. x 8.25 in. x 7.0 in.
  • Sump Location
    Rear
  • Sump Style
    Wet Sump
  • Transmission Mount Type
    Crossmember
  • Tube Diameter
    1.75 in.
  • Tube Size
    1.75 in.
  • Tube Thickness
    16 ga
  • Tuned
    No
  • With A.I.R. System
    No
  • With EGR
    No
Fitment
Installation
More Detail
    • PROP65-SHORTFORMWARNINGLABEL-CR.jpg
    • oil-pans-explained.pdf
    • swap-in-a-box-explained.pdf
    • HPGroup-Linecard1117.pdf
Videos

Buy From a Seller

Footer navigation