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* 58X reluctor crank-triggered, coil-near-plug ignition The 18 degree Spreadport head is recommended specifically for nitrous oxide. CFE 18 degree Spreadport programs are custom engineered for both engine application and manifold requirements. for 210cc spread port view 210cc SBC Eliminator). Standard 18 degree Spreadport programs are available in both rectangular and oval port configurations depending on engine requirements. As all benefits and features are the same, please review respective page for products details (i.e. AFR’s spread port head has all the benefits and features of AFR’s standard head. It has an 18-degree intake valve angle, is fully CNC ported, and assembled with 2.500/1.960-inch stainless steel valves in 92-cc combustion chambers. The CNC 490cc intake port is available with a 62cc, 72cc, or 74cc chamber. Spread port heads only come with a Standard bolt pattern. exhaust valves made of titanium with a 5/16 in. The Big Victor Spread Port 18-degree CNC is Edelbrock’s version of the latest spread port cylinder heads.
#SPREAD PORT CNC PRO#
* Aluminum RS-X symmetrical spread-port cylinder heads with 70cc chambers Kit includes: Dart Big Chief or Pro-FIler Intake, Dart Big Chief 14° & 18°, Big Duke 18° or Pro Filer 12° Heads, Jessel Shaft Rockers, Aluminum Sheet Metal Valve Covers, Cyl Head Stud Set, Wiseco / JE Pistons, Speed Pro Rings, Clevite B earings, Custom Ground Camshaft (4/7 swap), Comp Cams Lifter Set. * Aluminum high-rise single-plane intake manifold These big block engines reach peak power at 6,600 rpm and rev to a recommended maximum of 7,000 rpm. Included is a pre-programmed, self-learning control system for precise fuel control and amazing output on premium pump gas. 396-502 High-Rise CNC-Port-Matched Intake Manifold, Oval Port (spread bore). ZZ632 crate engines have a crank-trigger ignition system with coil-near-plug ignition coils mounted on a unique valley plate. but it is CNC port-matched to Chevrolet Performance oval port aluminum. The 227cc cylinder heads are available in either standard or spread port. These RS-X cylinder heads feature symmetrical ports to produce similar power from all eight cylinders. Both come with 100 CNC ported 55cc or 65cc combustion chambers and 80cc. Chevrolet Performance's ZZ632/1000 deluxe long block crate engines are their biggest, big block yet! They start with a tall deck Sportsman Bowtie block and an all-forged roller assembly and add a hydraulic roller camshaft and high-flow spread-port CNC-machined cylinder heads derived from Pro Stock racing technology.