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#Spread port cnc upgrade
#Spread port cnc pro

AFR 227 CNC Heads(64cc) on a 406 and I'm steering tiward the AFR 235's have one in the works 427 SBC which is a 18 degree Brodix heads that are a oval port 235cc SBC Race Cylinder Head.Comes with all valves, springs, titanium retainers, locks, rocker studs, and guide plates. My first option is to have the Chevy 400 block machined for 4-bolt splayed main caps, punch it out to 4. By my calculations should be just right with better heads and lighter weight. 5 ex rockers, Victor Jr,750 dbl pmp Holley.

#Spread port cnc upgrade

The only bad thing is they will not substitute higher load PAC springs for the ones they come with but they do offer one PAC upgrade which is a 1225 PAC that is almost 800# open when AFR’s 235cc “Competition” heads feature 100% CNC ported intake, exhaust chambers, A356 aluminum castings and high quality components throughout. This particular 406 engine made 604 hp at around 6400 rpm. Intake ports, exhaust ports, and cylinder heads are 100 percent CNC-ported with finer machine levels and improved port-shaped details for optimum flow characteristics. taberarenai will find results 406 sbc with afr 235 heads 406 sbc with afr 235 heads They have been extensively ported and flow extremely well. 5 Degree Heads 409 Small Block for 1972 Nova 9.

#Spread port cnc pro

If the AFR heads are too pricey, there are other options out there (pro-filer, pro maxx, blue print, etc).

Variations include the option to take the motor to 415ci, 421ci or even 434 cubic inches if so desired 406 sbc with afr 235 heads 406 sbc with afr 235 heads The Chevy small block engine has been around since Eisenhower was president. Next option is to purchase an aftermarket block and have the required machine work completed Afr Bare Cylinder Head 1352 Enforcer 185cc Aluminum 59cc For Ford 302 Sbf. Afr Chevy Sbc 383 406 Eliminator Heads 195cc 65cc Fully Built 1034-hr St. Cam not picked out yet but leaning to solid roller.

Rising out of the engine bay is a supercharged 406 ci small-block Chevy V8 built by Brett Niddrie at BNR Engines.

Catalog Correction: These heads are *Sold pair* (Two heads). 875 forged Posted Today, 12:50 AM Early Access Heads: AFR Cylinder Heads - SBC: AFR 210 23° Race Ready Eliminator Fully CNC Ported Cylinder Heads: AFR 227 23° Race Ready Eliminator Fully CNC Ported Cylinder Heads: AFR 235 23° Competition Package Fully CNC Ported Cylinder Heads: AFR 245 23° Competition Package NPP Fully CNC Ported Cylinder Heads: AFR Cylinder Heads - LS1 406 sbc with afr 235 heads 406 sbc with afr 235 heads 406 sbc with afr 235 heads 461 heads were great back in the day, but even an entry level aluminum head will put them to shame these days.