SLP ZL427 Shortblock

SLP ZL427 Shortblock
NOTE: While placing your order, please specify make and model year that the 427 will be installed in. Be sure to order the correct ZL427 engine with the proper style reluctor wheel for your application (reference chart below). SLP's harmonic balancer/under-drive pulley is required for proper installation (or an equivalent pulley that is properly keyed) a stock balancer/pulley will NOT fit. ZL427 LS7 Aluminum Short Block Includes the following: Built entirely from brand new parts Sold outright, no cores required. GM LS7 aluminum block 427-CID displacement 4.000 Callies 4340 forged steel crankshaft, balanced to rotating assembly 4.125" SLP/Manley 2618 forged alloy pistons with -9.00cc dish (includes new rings and full-float pins) 6.125" SLP/Manley 4340 forged steel H-beam rods Includes new, factory-installed cam bearings; Clevite rod and main bearings 11:1 compression ratio (nominal; ultimate compression ratio will depend upon heads and gaskets used) 24 Tooth reluctor wheel Designed for naturally aspirated applications Capable of supporting up to 700+ HP Meticulously assembled by SLP to OEM tolerances and specifications Includes Front Cover Includes Valley Cover Includes Spacers for oil windage tray Oil pump, camshaft, pans, plates, and covers not included ZL427 OEM-quality fender badges (QTY-3) NOTE: SLP STRONGLY recommends that final assembly and installation be performed by an experienced, professional mechanic. Assembly/installation instructions are neither included nor available with this part.
More Information
SKU SLP12427M58
Manufacturer SLP Performance
Application Guide Ls based vehicles w/ 24x or 58x reluctor
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