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Holley Level 4 LS Engine Swap Kits
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Holley

Holley Level 4 LS Engine Swap Kits

Not Yet Reviewed

Holley Level 4 LS swap essentials kits are the sweet spot for builders who want the Level 3 swap stuff, but with the matching exhaust system. Built within their fiv

Holley Level 4 LS swap essentials kits are the sweet spot for builders who want the Level 3 swap stuff, but with the matching exhaust system. Built within their five-level Swap Essentials system, Level 4 steps beyond mounting the headers/manifolds stage using application-verified components engineered to work together so you're not guessing what clears the rest of the chassis (Level 5 will add accessories). If you want a cleaner plan with fewer surprises, these kits set you up for build success and further upgrades later if desired. Hit the fast lane of cleaner installs, fewer surprises, and swaps that feel like they

Holley Level 4 LS swap essentials kits are the sweet spot for builders who want the Level 3 swap stuff, but with the matching exhaust system. Built within their five-level Swap Essentials system, Level 4 steps beyond mounting the headers/manifolds stage using application-verified components engineered to work together so you're not guessing what clears the rest of the chassis (Level 5 will add accessories). If you want a cleaner plan with fewer surprises, these kits set you up for build success and further upgrades later if desired. Hit the fast lane of cleaner installs, fewer surprises, and swaps that feel like they were meant to be there with the Holley Level 4 LS engine swap kit best suited for your application.

More product features, items, and specifications include:

* Emphasis is on fitment, clearance, and driveline angles aimed at reducing the classic LS-swap trial-and-error that wastes time and money
* Engineered around your specific platform/transmission combo for confident fitment, clearance, and proper driveline geometry
* Level 4 kits commonly build on the early tiers by including oil pan provisions, headers/manifolds and components, plus an exhaust system, all selected to work together
* Kits are configured by vehicle platform and transmission selection
* Emissions and legality vary by location and vehicle; verify requirements for your intended use

All the results found for this search are Not In Stock.

Results 1 - 11 of 11

Holley Level 4 LS Engine Swap Kits SE4-GMA-LSX-AM

Holley Level 4 LS Engine Swap Kits SE4-GMA-LSX-AM

Holley Level 4 LS Engine Swap Kits SE4-GMA-LSX-AM

Engine Swap Kit, Lvl 4, Mtr Mnts, Trans Mnt, Oil Pan Kit, Headers, Exhaust, Buick, Chevy, GMC, Olds, Pontiac, LS, 4L60-85E, TH400/2004R, T-56/Mag, Kit

Part Number: HLY-SE4GMALSXAM

Not Yet Reviewed

Estimated Ship Date: Nov 19, 2026 if ordered today

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Estimated Ship Date: Nov 19, 2026 if ordered today

Holley Level 4 LS Engine Swap Kits SE4-GMG-LSX-A

Holley Level 4 LS Engine Swap Kits SE4-GMG-LSX-A

Holley Level 4 LS Engine Swap Kits SE4-GMG-LSX-A

Engine Swap Kit, Lvl 4, Mtr Mnts, Trns Mnt, Oil Pan, Hdrs, Exhst, Buick, Chevy, GMC, Olds, Pontiac, LS, 4L60-85E, 6L80E, 8L45, 10L80, TH400/2004R, Kit

Part Number: HLY-SE4GMGLSXA

Not Yet Reviewed

Estimated Ship Date: Nov 19, 2026 if ordered today

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Estimated Ship Date: Nov 19, 2026 if ordered today

Holley Level 4 LS Engine Swap Kits SE4-GMA-LSXF-AM

Holley Level 4 LS Engine Swap Kits SE4-GMA-LSXF-AM

Holley Level 4 LS Engine Swap Kits SE4-GMA-LSXF-AM

Engine Swap Kit, Lvl 4, Mtr Mnts, Trans Mnt, Oil Pan Kit, Headers, Exhaust, Buick, Chevy, GMC, Olds, Pontiac, LS, 4L60-85E, TH400/2004R, T-56/Mag, Kit

Part Number: HLY-SE4GMALSXFAM

Not Yet Reviewed

Estimated Ship Date: Nov 19, 2026 if ordered today

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Estimated Ship Date: Nov 19, 2026 if ordered today

Holley Level 4 LS Engine Swap Kits for 1970-1974 CAMARO, FIREBIRD - SE4-GM2FE-LSX-AM

Holley Level 4 LS Engine Swap Kits for 1970-1974 CAMARO, FIREBIRD - SE4-GM2FE-LSX-AM

Holley Level 4 LS Engine Swap Kits for 1970-1974 CAMARO, FIREBIRD - SE4-GM2FE-LSX-AM

Engine Swap Kit, Level 4, Motor Mounts, Trans Mount, Oil Pan Kit, Headers, Exhaust, Chevy, Pontiac, LS, 4L80/85-E, TH400, TH700-R4, T-56/Magnum, Kit

Part Number: HLY-S0059

Not Yet Reviewed

Estimated Ship Date: Nov 19, 2026 if ordered today

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Estimated Ship Date: Nov 19, 2026 if ordered today

Holley Level 4 LS Engine Swap Kits SE4-GM1F-LSX-A2

Holley Level 4 LS Engine Swap Kits SE4-GM1F-LSX-A2

Holley Level 4 LS Engine Swap Kits SE4-GM1F-LSX-A2

Engine Swap Kit, Lvl 4, Mtr Mnts, Trans Mnt, Oil Pan, Headers, Exh, Buick, Chevy, Olds, Pontiac, LS, 4L60/65/70/75-E, PG, TH350/400/700-R4/200-4R, Kit

Part Number: HLY-SE4GM1FLSXA2

Not Yet Reviewed

Estimated Ship Date: Nov 19, 2026 if ordered today

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Estimated Ship Date: Nov 19, 2026 if ordered today

Holley Level 4 LS Engine Swap Kits SE4-GM1F-LSX-M

Holley Level 4 LS Engine Swap Kits SE4-GM1F-LSX-M

Holley Level 4 LS Engine Swap Kits SE4-GM1F-LSX-M

Engine Swap Kit, Level 4, Motor Mounts, Trans Mount, Crossmember, Oil Pan Kit, Headers, Exhaust, Buick, Chevy, Olds, Pontiac, LS, T-56, T-56 Mag, Kit

Part Number: HLY-SE4GM1FLSXM

Not Yet Reviewed

Estimated Ship Date: Nov 19, 2026 if ordered today

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Estimated Ship Date: Nov 19, 2026 if ordered today

Holley Level 4 LS Engine Swap Kits for 1982-1993 S10, 1982-1990 S15, 1991-1993 SONOMA - SE4-GM1S-LSX-A

Holley Level 4 LS Engine Swap Kits for 1982-1993 S10, 1982-1990 S15, 1991-1993 SONOMA - SE4-GM1S-LSX-A

Holley Level 4 LS Engine Swap Kits for 1982-1993 S10, 1982-1990 S15, 1991-1993 SONOMA - SE4-GM1S-LSX-A

Engine Swap Kit, Level 4, Motor Mounts, Trans Mount, Crossmember, Oil Pan Kit, Headers, Exhaust, Chevy, GMC, LS, Powerglide, TH350, TH700-R4, Kit

Part Number: HLY-SE4GM1SLSXA

Not Yet Reviewed

Estimated Ship Date: Nov 19, 2026 if ordered today

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Estimated Ship Date: Nov 19, 2026 if ordered today

Holley Level 4 LS Engine Swap Kits SE4-GM1F-LSX-A1

Holley Level 4 LS Engine Swap Kits SE4-GM1F-LSX-A1

Holley Level 4 LS Engine Swap Kits SE4-GM1F-LSX-A1

Engine Swap Kit, Level 4, Motor Mounts, Trans Mount, Oil Pan Kit, Headers, Exhaust, Buick, Chevy, Oldsmobile, Pontiac, LS, 4L80-E, 4L85-E, Kit

Part Number: HLY-SE4GM1FLSXA1

Not Yet Reviewed

Estimated Ship Date: Nov 19, 2026 if ordered today

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Estimated Ship Date: Nov 19, 2026 if ordered today

Holley Level 4 LS Engine Swap Kits for 1982-1993 S10, 1982-1990 S15, 1991-1993 SONOMA - SE4-GM1S-LSX-AM

Holley Level 4 LS Engine Swap Kits for 1982-1993 S10, 1982-1990 S15, 1991-1993 SONOMA - SE4-GM1S-LSX-AM

Holley Level 4 LS Engine Swap Kits for 1982-1993 S10, 1982-1990 S15, 1991-1993 SONOMA - SE4-GM1S-LSX-AM

Engine Swap Kit, Level 4, Motor Mounts, Trans Mount, Crossmember, Oil Pan Kit, Headers, Exhaust, Chevy, GMC, LS, 4L60/70/75-E, TH400, T-56/Magnum, Kit

Part Number: HLY-SE4GM1SLSXAM

Not Yet Reviewed

Estimated Ship Date: Nov 19, 2026 if ordered today

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Estimated Ship Date: Nov 19, 2026 if ordered today

Holley Level 4 LS Engine Swap Kits for 1970-1974 CAMARO, FIREBIRD - SE4-GM2FE-LSX-A

Holley Level 4 LS Engine Swap Kits for 1970-1974 CAMARO, FIREBIRD - SE4-GM2FE-LSX-A

Holley Level 4 LS Engine Swap Kits for 1970-1974 CAMARO, FIREBIRD - SE4-GM2FE-LSX-A

Engine Swap Kit, Level 4, Motor Mounts, Trans Mount, Crossmember, Oil Pan Kit, Headers, Exhaust, Chevy, Pontiac, LS, 4L60/65-E, 4L70/75-E, Kit

Part Number: HLY-SE4GM2FELSXA

Not Yet Reviewed

Estimated Ship Date: Nov 19, 2026 if ordered today

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Estimated Ship Date: Nov 19, 2026 if ordered today

Holley Level 4 LS Engine Swap Kits SE4-GMG-LSX-M

Holley Level 4 LS Engine Swap Kits SE4-GMG-LSX-M

Holley Level 4 LS Engine Swap Kits SE4-GMG-LSX-M

Engine Swap Kit, Level 4, Motor Mounts, Trans Mount, C-member, Oil Pan Kit, Headers, Exhaust, Buick, Chevy, GMC, Olds, Pontiac, LS, T-56/Mag, TKX, Kit

Part Number: HLY-SE4GMGLSXM

Not Yet Reviewed

Estimated Ship Date: Nov 19, 2026 if ordered today

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Estimated Ship Date: Nov 19, 2026 if ordered today

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