New Product

Holley SE4-GMG-LSX-M GM G-Body Lvl 4 LS Swap Kit - Manual

New Product

#42500122

Holley SE4-GMG-LSX-M GM G-Body Lvl 4 LS Swap Kit - Manual

Fits 1978-1987 GM G-Body with T56/T56 Magnum, TKX
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

Swap Kit Level:

Level 4

Engine Family:

Transmission:

T-56/T-56 Magnum/Tremec TKX

4L60E/4L65E/4L70E/4L75E/4L80/4L80E/4L85E/6L80E/8L45/10L80/TH400/200R4

$3,199.95

Factory Shipped

Quantity

Need Help? Call to Order

Add to a list

Select a vehicle to verify Fitment

Select Vehicle

Product Summary

Fits 1978-1987 GM G-Body with T56/T56 Magnum, TKX
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

See more details

Key Specs

MFG. Part #	SE4-GMG-LSX-M
Brand	Holley

See more specs

Need To Know

Need help?

855.313.9176

View the Help Center

Quick and Easy Returns

Return Policy

Holley SE4-GMG-LSX-M 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: Yes
Headers/Manifolds: Manifolds
Oil Pan Kit: Yes
Part Type: Drivetrain Kit
Product Type: Drivetrain Kit
Sub Category: Driveline
Swap Level: 4
Transmission: T56/T56 Magnum, TKX
Vehicle: 1978-1987 GM G-Body
Warning: California Proposition 65
Warranty: Manufacturer's 90 day Limited Warranty

Kit Includes:

Holley GM LS Dipstick and Tube Kit
Part# 302-15
Included Qty: 1
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 Thru Bolt Hardware Kit
Part# 71223015HKR
Included Qty: 1
Mr. Gasket Oil Pan Gasket - Molded Rubber with Aluminum Carrier
Part# 6665G
Included Qty: 1
Mr. Gasket Oil Pan Bolt Set - Stainless Steel
Part# 60850G
Included Qty: 1
Holley GM LS Swap Oil Pan - Most Front Clearance
Part# 302-3
Included Qty: 1
Hooker Blackheart Transmission Crossmember - G-body - LS or LT Swap
Part# 12644HKR-1
Included Qty: 1
Hooker Blackheart Engine Mount Brackets
Part# 12643HKR
Included Qty: 1
Hooker Blackheart Exhaust Adapter Kit
Part# 70701317-RHKR
Included Qty: 1
Hooker Blackheart LS Swap Exhaust Manifolds - Natural Cast Finish
Part# 8502HKR
Included Qty: 1
Crossmember Adapter Kit
Part# 12647HKR
Included Qty: 1
Hooker Blackheart LS Swap Exhaust System
Part# 70501363-RHKR
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.

CA Prop 65

CARB warning

Holley SE4-GMG-LSX-M Specifications

KEY SPECS
MFG. Part #	SE4-GMG-LSX-M
Brand	Holley

GENERAL
Sold in Quantity	Each

Ratings & Reviews

Be the first to write a review.

Questions & Answers

Be the first to ask a question.