1 Pair For Chevy SBC 283 302 350 400 Bare Cylinder Heads 205cc/64cc Angle Plug
$ 222.23
Description
1 Pair For Chevy SBC 283 302 350 400 Bare Cylinder Heads 205cc/64cc Angle Plug 🔧 Pair of Cylinder Heads – For Chevy Small Block SBC V8 (283/302/305/327/350/383/400, Up to 1986) 🔧 【High-Grade Aluminum | 64cc Combustion Chamber | 2.020" Intake Valves】90-Day Warranty + 30-Day Free Return 1. Core Features 🔹 Exact Fit for Chevy Small Block (SBC) V8 Engines (Up to 1986) Engineered exclusively for classic Chevy SBC V8 variants— critical year limit applies : Compatible SBC Engine Models Production Cutoff Key Fit Notes 283, 302, 305, 327, 350, 383, 400 V8 Up to 1986 Direct replacement for OEM cylinder heads; matches SBC’s bolt pattern and port locations (standard intake/exhaust port placement). Critical Fit Check : Confirm your engine is a Chevy Small Block V8 built before 1987 – incompatible with post-1986 SBC engines or non-SBC Chevy V8s (e.g., big-block 454). 🔧 High-Performance Design & Premium Materials Built to boost airflow and durability for classic SBC engines: High-Grade Aluminum Construction : Lightweight yet rigid – improves heat dissipation (reduces overheating) and enhances engine responsiveness compared to cast iron heads. Performance-Optimized Ports : Advanced port design (205cc intake runner / 74cc exhaust runner) maximizes airflow – increases horsepower and torque output for street or mild performance use. Durable Valve Components : Bronze valve guides: Resist wear and ensure smooth valve operation. Hardened ductile iron valve seats: Withstand high temperatures (ideal for stock or modified engines). 2.020" intake / 1.600" exhaust valves (11/32" stem diameter): Promote efficient gas flow; 23° valve angle for optimal combustion. 🌟 Practical Features for Easy Installation Designed to simplify engine rebuilds or upgrades: Center & Perimeter Bolt Mounting : Matches OEM valve cover bolt pattern – no modifications needed for valve cover installation. Pre-Drilled Accessory Bolt Holes : Saves time by eliminating the need to drill holes for engine accessories (e.g., brackets, pulleys). Bare Natural Finish : Allows customization (painting, polishing) to match engine aesthetics; ready for assembly with gaskets and hardware (not included). 2. Technical Specifications Parameter Category Detailed Specifications Condition 100% Brand New Product Type Pair of Cylinder Heads (left + right) Material High-Grade Aluminum Finish Natural (bare) Compatibility Chevy Small Block (SBC) V8 engines: 283, 302, 305, 327, 350, 383, 400 (up to 1986) Combustion Chamber Volume 64cc Runner Volumes Intake: 205cc; Exhaust: 74cc Valve Sizes Intake: 2.020"; Exhaust: 1.600" (valve stem diameter: 11/32") Valve Angle 23° (intake & exhaust) Valve Seat Material Ductile Iron Valve Guide Material Bronze Mounting Style Center & Perimeter bolt (valve covers); pre-drilled accessory bolt holes Spark Plug Style Angle Port Shape/Location Intake: Rectangle (standard); Exhaust: Square (standard) Warranty 90-Day Manufacturer Warranty; 30-Day Free Return Shipping Origin CA or NJ warehouses (dispatched based on delivery address) 3. Package Included 1 × Pair of Cylinder Heads (left + right, as shown in product images) 4. Usage & After-Sales Tips Installation Guidelines Prep : Clean engine block mating surface; inspect cylinder heads for any shipping damage (e.g., bent valves) before installation. Gaskets & Sealing : Use high-quality head gaskets (not included) matched to your engine’s compression ratio; torque head bolts to SBC OEM specs (typically 65–75 ft-lbs for aluminum heads). Valve Train : Ensure compatibility with your existing valve train (camshaft, lifters, pushrods); adjust valve lash after installation per engine specifications. After-Sales Support Fitment Issues : If heads don’t align with bolt holes or ports, confirm your engine is a pre-1987 SBC V8 – contact the seller for guidance. Defects : If aluminum cracks, valves are damaged, or seats/guides are faulty, reach out immediately for a warranty replacement. Feedback First : Contact the seller before neutral/negative feedback – all issues (e.g., installation, quality) will be resolved ASAP. The perfect performance upgrade for classic Chevy SBC! These aluminum cylinder heads boost airflow and durability – tailored for pre-1986 283–400 V8 engines. 🚗🔧
As described and shipped fast, thanks!