Edelbrock performer rpm heads sbc 6089 Find many great new & used options and get the best deals for Edelbrock Performer RPM SBC Aluminum Heads 6089 at the best online prices at eBay! Free shipping for many products! I know these heads are old but I'm trying to find the flow numbers for them. According to their numbers, the heads flow 185 cc. Edelbrock Performer, Performer Centerbolt, and Performer Corvette Centerbolt Cylinder Heads are designed for street high performance use, and are interchangeable with original equipment cylinder heads (See “Applications” below). I think they are the 170cc intake runner with a 64cc combustion chamber, 2. #60889 is Performer RPM head, 185 cc intake runner volume, 64 cc chamber, 2. 60 valves. 2. They are the built RPM Performer heads and are not the current 60899's. 6" valves, straight plugs. 02/1. I did find an old thread on another forum that listed 2 different sets of flow numbers. Any one have a I was looking on Edelbrocks web site at the Performer RPM heads, the 60899 ones, for a small block. 1 3/4 primaries, mufflers are 3 1/2" OD chambered with 3" center bore These heads with their small ports make power at a lower RPM than the more common 195 to 210 cc heads, that is if the combination is right. Find many great new & used options and get the best deals for Chevy Small Block Edelbrock 6089 Performer Series Cylinder Head at the best online prices at eBay! Free shipping for many products! The Stealth Ram has nice long tapered runners, an advantage for low rpm torque and possibly the longer length adds a ram harmonic in the usable rpm range that makes it a bit better. All carbs rated 250 cfm Hooker headers to sidepipes. As far as I can tell they are 64cc chambers with 170cc runners. Edelbrock 5419 3x2 intake with Rochester 2GC carbs set up with center primary carb outside carbs secondary with progressive linkage. 02"-1. 6" valves,straight plugs. Sold as a bare casting, not a complete assembled head. I have a set of NOS 6089 Edelbrock rpm performer heads and I am struggling to find the flow numbers. There is a #5089 check that first digit. If you look at Summit and Jegs at the same heads, they report the heads flow 170 cc. Edelbrock's website shows #60889, but no #6089. You've got a very strong street set-up, if you ask me. 02-1. #5089 is Edeldrock E-Street head, 185 cc runner, 64 cc chamber, 2. I have run them on a 383 too, works great if you are not looking Edelbrock's website shows #60889, but no #6089. I have run them on a 383 too, works great if you are not looking. fkb qdmzh raes isyylmpx yvqci cxulp auiq nsok huq ofrk