11K views · 62 reactions | Proformance Unlimited's custom built LS3 416 Stroker crate engine 550HP. Engine features an aluminum block, 4340 Forged bottom end, Custom camshaft, FiTech Ultimate LS EFI, March alt/ps/ac pulley kit. For More Info On This Engine Package https://www.customcrateengines.com/engines/ls-crate-engines/ls3-416ci-550hp-efi-crate-engine.html | Proformance Unlimited - Custom Crate Engines | Facebook

Proformance Unlimited's complete GM LS3 416CI 600HP stroker crate engine package dyno tested ready for installation. This build features the aluminum LS3 Series 6 bolt block and FiTech fuel injection system with cable driven throttle body. Comes ready to install with the Muscle Car oil pan. We can also assist you in picking out the correct motor mount and header combo that will fit your hot rod. If you are in need of a serpentine pulley kit complete with components or a transmission we can assis

LS3 416CI Stroker Long Block | Proformance Unlimited - Custom Crate Engines

Introducing the Gunslinger! The latest release from our Brawler Engine Series, the Gunslinger can make you the quickest draw in all your showdowns! This stroker engine provides the extra cubic inches needed for high power while utilizing the light weight that comes from the 6.2 aluminum block. It uses our TSP forged rotating assembly, which is widely proven and ensures durability under the most demanding conditions. Gunslinger build specifications: •416ci / 6.82L •GM Gen IV Aluminum 6.2L Block •

Our complete GM LS3 416CI 600HP stroker crate engine package dyno tested ready for installation. This build features the aluminum LS3 Series 6 bolt block and FiTech fuel injection system with cable driven throttle body. Comes ready to install with the Muscle Car oil pan. We can also assist you in picking out the correct motor mount and header combo that will fit your hot rod. If you are in need of a serpentine pulley kit complete with components or a transmission we can assist you with that as w

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