Uploaded June 2026 | Updated September 2026, 3 weeks ago

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Holley Swap Essentials is the most complete, verified-fit LS and LT engine swap system for classic GM cars and trucks. Designed for 60s–90s platforms like A-Body, G-Body, F-Body, C10, S10, and GMT400, these kits eliminate guesswork with perfectly matched components built to work together.

Choose from five kit levels. From basic engine and transmission mounts to a complete system with oil pan, Hooker Blackheart headers, full exhaust, and front accessory drive with A/C and power steering. Every package is engineered for proper fitment, driveline angles, and maximum clearance.

Stop mixing parts and start your swap with confidence. Holley Swap Essentials saves time, reduces frustration, and delivers professional results for any budget.

Learn more at Holley.com and your favorite performance retailer.

Learn more: holley.com/products/engine_swap_parts

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