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Ships within 48 hours · Estimated delivery Jul 31 - Aug 5
+/- handheld device
This is a big help at higher rpm
FREIGHT BILLED SEPARATELY
The rotating assembly combines a Callies' Magnum center counter-weighted crank with their Ultra I-beam rods topped with custom Diamond pistons
Holley's BILLET LS Throttle Bodies are the BIGGEST BORE - MOST FEATURE LOADED available
Dart SHP LS Next Iron Long Block - Copper Head Gaskets Cylinder Port:LS3 +/- handheld deviceOur 427ci mechanical roller LS iron long blocks come in two primary flavors: conventional and copper head gaskets. The Cometic MLX gaskets we use have a max boost rating of 35 psi. This long block has copper head gaskets with fuel hoops which can hold more boost and generate more horsepower. This iron LS long block also has numerous parts upgrades relative to its sister with conventional head gaskets. These include: Upgrade from Callies Apex to
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