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Chevrolet Impala / Caprice / Bel Air (B-body) LS swap (1958–1996)
Swap kits verifiedB-body1 sourced swap recipe
LS Gen III/IV swap — moderate
1977–1996 GM B-body (Caprice, Impala, LeSabre, Roadmaster) LS swap mount kit that keeps the SBC crank and bellhousing location.
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| Part | What | Price | ||
|---|---|---|---|---|
| Mounts | Michigan Motorsports 1977–1996 B-body LS engine mount kit (2 rubber mounts, 2 upper brackets, hardware) (B-body kit) | $218 Michigan Motorsports, 2026-09-28 | Required |
Required parts we've priced so far: $218 (parts only, not a full budget — engine, trans, wiring and labor are extra. Try the swap cost estimator.)
LS swap parts listed for the Impala / Caprice / Bel Air (B-body)
Vendor catalog listings matched to this vehicle by product title. Prices as last checked; confirm fitment with the vendor.
| Type | Product | Vendor | Price | Stock | |
|---|---|---|---|---|---|
| Accessory drive | LS Power Steering Bracket - G8 & Caprice Pump - Corvette Spacing | ICT Billet | $120 | In stock | View |
| Headers Exhaust | 1968-74 Mopar B-Body/E-Body 1 5/8" Long Tube Gen III Hemi Engine Swap Header with Metallic Ceramic Coating | PerTronix | $759.33 | In stock | View |
| Mounts | LS Engine Mount Kit - B-Body 77-90 | ICT Billet | $218 | Out of stock | View |
Swap kit evidence
- 1977-1996 6th Gen B-Body LS Engine Mount Kit (Caprice Impala LeSabre Roadmaster) — Michigan Motorsports (kit-verified)
Every LS swap also needs
An oil pan that clears
Compare GM LS pans by sump position and depth.
Accessory drive spacing
F-body, car, truck and Corvette offsets.
Fuel system sizing
Injector and pump sizing for your power goal.
A transmission
4L60E to 8HP70 behind an LS.
- 1977-1996 6th Gen B-Body LS Engine Mount Kit — Michigan Motorsports