Product Summary

  • Fits 1975-1978 GM F-Body with 4L80E/TH400/200-4R/T56/T56 Magnum
  • Designed in CAD to optimize driveline angles to reduce vibration and put the most power to the ground possible
  • Kit designed from the ground up for factory style fitment LS/LT engine fitment
  • Durable black polyurethane inserts for reduced twist over OEM rubber inserts
  • Provides the highest clearance available for up to 3" dual exhaust system routing
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Key Specs

MFG. Part #SE1-GM2FL-LSX-AM
BrandHolley
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Need To Know

Quick and Easy Returns

Return Policy

Holley SE1-GM2FL-LSX-AM Details

Holley has taken the guesswork out of picking the right parts needed to swap your GM muscle car or truck with our Swap Essentials Packages. Depending on your budget, there's multiple levels to choose from; engine and transmission mount packages to full mount, exhaust, and front accessory drive packages, with savings stack along the way. Take the hassle out of your next swap with Holley's Swap Essentials Packages!

Specifications:

  • Engine: Gen III/IV LS
  • Exhaust System: No
  • Headers/Manifolds: No
  • Oil Pan: No
  • Oil Pan Kit: No
  • Part Type: Drivetrain Kit
  • Product Type: Drivetrain Kit
  • Sub Category: Driveline
  • Swap Level: 1
  • Transmission: 4L80E/TH400/200-4R/T56/T56 Magnum
  • Vehicle: 1975-1978 GM F-Body
  • Warning: California Proposition 65
  • Warranty: Manufacturer's 90 day Limited Warranty

Kit Includes:

Hooker Blackheart Heavy Duty Clamshell Engine Mounts
Part# 71221004HKR
Included Qty: 2
Hooker Blackheart Polyurethane Transmission Mount - Black
Part# 71223029HKR
Included Qty: 1
Hooker Blackheart Polyurethane Engine Mount Insert - Black
Part# 71221014HKR
Included Qty: 2
Hooker Blackheart Engine Mount Brackets
Part# 12613HKR
Included Qty: 1
Hooker Blackheart Transmission Crossmember
Part# 12616HKR-1
Included Qty: 1

CARB Warning

For race/ off road use only

Emissions warning: this part only legal for sale or use in California for racing (competition) vehicles which may never be used, registered, or licensed for use upon a public highway. Any other use renders the vehicle tampered and not legal for use on California public highways (any public street or roadway, public dirt road, public park, or publicly maintained right of way open to the use of the public for vehicular travel). Violations subject to $37,500 penalty per violation per vehicle, revocation of registration, loss of use on California public right of ways, and proof of correction for tampering. There are similar restrictions and penalties under federal law and the laws of all other states with penalties under federal law of up to approximately $45,268 per tampered vehicle and/or engine.

Holley SE1-GM2FL-LSX-AM Specifications

KEY SPECS
MFG. Part #SE1-GM2FL-LSX-AM
BrandHolley
GENERAL
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