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Trans Dapt

LS Swap Set, Trans Dapt, 1964-67 A-Body, Mid-Length Hdrs, T-56/4L60E/4L64E/4L70E

Part# : HD42900
Mfg#: 42913
Sold As: Set
Ship Size: Oversize 3
$1,194.99
List Price: $1,314.95
You Save $119.96

Vehicle Specific View fitment for 5 models
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All-inclusive kits!

Take the guesswork out of your LS Swap!

This Swap-In-A-Box Kit is developed specifically for installing an LS engine and T-56, TH350, TH400, 4L60E, 4L65E or 4L70E transmission into General Motors A-body vehicle. This comprehensive kit includes a pair of mild steel, 1-3/4" diameter headers with gaskets, bolts and exhaust collector adapters; a complete LS engine mount kit with hardware and rubber pads; LS swap engine oil pan with bolts, gasket and special oil pick-up tube; adapter brackets to accommodate all the listed transmission models and hardware; an LS swap engine oil pan with bolts, gaskets and special pick-up tube. Choose from Hedman's HTC polished silver ceramic-coated, Black-Maxx satin black ceramic-coated, or uncoated “raw” headers. Headers are backed by a limited lifetime warranty. All other components are covered for a full year from the date of purchase.

Notes

  • Not legal for street use on 1975-up model years.
  • This item is not eligible for any further discounts or promotional pricing.
  • SHIP NOTE: Item exceeds standard ground freight size/weight, and is not eligible for free ground shipping.
  • SHIP NOTE: This item is SPECIAL ORDER and will drop-ship from the manufacturer. While the majority of drop ship orders experience no delays, please be advised that OPGI does not control delivery times.
3
This product is not legal for street use on an emissions-controlled vehicle. It may be used on dedicated competition or pre-pollution-controlled vehicles only. Learn More

Find Item In These Catalogs

  • 2025 Chevelle, El Camino 64-77 342,  373
  • 2025 Cutlass, F-85 & 442 61-77 214
  • 2025 GTO, LeMans & Tempest 238
  • 2025 Skylark, GS & GSX 61-72 194
WARNING: This product can expose you to chemicals including lead, sulfur, nickel, chromium, vanadium, titanium, polyvinyl chloride, and 4,4’-methylenebis (2-chloroaniline), which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Vehicle Fitment

Year Make Model Application Details
1964–1967 Buick Skylark Floor shift only, automatic or manual - mid-length headers, T-56/4L60E/4L65E/4L70E
1964–1967 Chevrolet Chevelle Floor shift only, automatic or manual - mid-length headers, T-56/4L60E/4L65E/4L70E
1964–1967 Chevrolet El Camino Floor shift only, automatic or manual - mid-length headers, T-56/4L60E/4L65E/4L70E
1964–1967 Oldsmobile Cutlass Floor shift only, automatic or manual - mid-length headers, T-56/4L60E/4L65E/4L70E
1964–1967 Pontiac GTO Floor shift only, automatic or manual - mid-length headers, T-56/4L60E/4L65E/4L70E
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