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Features include high-quality 8mm stem stainless steel intake and exhaust valves that feed the high flow intake and exhaust ports. The high-velocity intake entries and exhaust exits are CNC profiled for increased air-flow. Combustion chambers are fully CNC machined for absolute consistency and combustion. High-quality conical beehive springs are secured with titanium retainers and valve locks for performance up to .600 valve lift. LT4 cylinder heads are equipped with guide plates and 8mm stem valves, adjustable (non-self-aligning) rocker arms are required. Match with RPM Air-Gap intake 7109, throttle body 3809 and camshaft 2108 for the Total Power Package combo. RPM LT4 heads are 50-state street legal and accept factory center bolt valve covers. Bare (Single) Complete (Single) Application Dyno Emissions Satin Satin EQUIPPED WITH SPRINGS FOR USE IN HYDRAULIC FLAT TAPPET CAMSHAFT APPLICATIONS RPM LT4 195 - 61929 61939 PRODUCT EMISSIONS GUIDE The following guide is designed to help you determine which Edelbrock components are legal for use on your vehicle. 50-State Legal For Racing Use ONLY For Use on Pre-Pollution Controlled Vehicles (PPCV) Stock Replacement Part Engine Swaps", "url": "/python/html5/menu_attr_pair/1000/32000000/32847000/menu_attr_pair_Productdescription_PerformerRPMCylinderHeadsForChevyLT4195Des_1_d262dd94df.html" } ], "name_url": "/python/html5/menu_attr_pair/1000/32000000/32847000/menu_attr_pair_Productdescription_PerformerRPMCylinderHeadsForChevyLT4195Des_1_d262dd94df.html" }, { "name": "Product_site_launch_date", "values": [ { "value": "2010-03-19T01:42:26-00:00", "url": "/python/html5/menu_attr_pair/1000/32000000/32847000/menu_attr_pair_Productsitelaunchdate_20100319T0142260000_1_9eda7a0976.html" } ], "name_url": "/python/html5/menu_attr_pair/1000/32000000/32847000/menu_attr_pair_Productsitelaunchdate_20100319T0142260000_1_9eda7a0976.html" }, { "name": "Regulatory_organization_name", "values": [ { "value": "California Environmental Protection Agency - 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Features include high-quality 8mm stem stainless steel intake and exhaust valves that feed the high flow intake and exhaust ports. The high-velocity intake entries and exhaust exits are CNC profiled for increased air-flow. Combustion chambers are fully CNC machined for absolute consistency and combustion. High-quality conical beehive springs are secured with titanium retainers and valve locks for performance up to .600 valve lift. LT4 cylinder heads are equipped with guide plates and 8mm stem valves, adjustable (non-self-aligning) rocker arms are required. Match with RPM Air-Gap intake 7109, throttle body 3809 and camshaft 2108 for the Total Power Package combo. RPM LT4 heads are 50-state street legal and accept factory center bolt valve covers. 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