Page 25 of Cylinder Heads by Edelbrock

index qwikdata shocks suspension exhaust access water pumps nitrous cams access heads efi manifolds install items gaskets fuel pumps carbs access crate engines superchargers kits power pkg cylinder heads pro-port raw pro-porttm raw semi-finished heads continued big-block chevrolet victor 24° pro-port raw pro-port raw head #61429 is a bare unported version of the popular edelbrock/musi victor cnc #61409 chamber size a int port dim b exh port dim b valve sizes in/ex c part no single hip d victor 24° pro-port raw b/b chevy head #61429 94cc 1.47 x 1.73 1.49 x 1.13 2.45 1.96 61429 614269 victor jr 24° semi-finished semi-finished victor jr head #77469 includes as-cast ports valve guides and seats that are not installed these versatile heads may be used as is after installing seats and guides chamber size a int port dim b exh port dim b valve sizes in/ex c part no single 118cc 300cc 128cc 2.250 1.900 77469 victor jr 24° semi-finished b/b chevy head #77469 includes valve guides and seats not installed victor jr 24° #77469 has 300cc ports for b/b chevys with 4.310 or larger bore #61429 comes with seats and exhaust valve guides installed and intake guides not installed big victor chevy pro-port raw intended for high output large cubic inch big-block chevrolet racing engines with 4.84 bore spacing this new pro-port raw head is an improvement on existing 18° heads with large oval ports such as the big chief and big duke hot isostatic pressing hip process creates a super strong a-356 aluminum casting for superior durability longer life between rebuilds dimensional stability and better machined finishes it is the perfect compliment to our big victor manifolds which have already become popular with the racing world due to the big power gains over other designs the ports are cast extra thick to allow for professional porting with a custom cnc program and the chambers are compatible with most 18° big chief style pistons working in conjuction with jesel the valvetrain problems common to other designs have been solved by relocating 2 of the valve cover bolt bosses requiring the use of edelbrock valve cover #4259 due to refinements in valvetrain geometry special jesel shaft rockers must be used with this head guides and seats are included but not installed chamber size a int port dim b exh port dim b valve sizes in/ex c part no single hip d big victor cylinder head #777569 is an 18° head with large oval ports compatible with big chief style pistons and manifolds 70cc 1.53 x 2.14 1.84 x 1.50 2.50 1.96 n/a 777569 hot isostatic pressing creates a super strong a-356 aluminum casting for superior durability and better machined finishes high-tech process delivers stronger castings edelbrock has now raised the bar in race head quality using a technique called hot isostatic pressing hip this aerospace process takes raw castings up to 900° f in a pressurized chamber up to 30,000 psi literally squeezing the air out of the casting the results an incredibly strong super dense sand casting that has three times the fatigue life and nearly the consistency of billet aluminum heads that are hiped have a 6-digit part number ending in 69 for example #777569 big victor cylinder head #777569 includes valve guides seats and thread inserts not installed 164 not legal for sale or use on pollution controlled motor vehicles.

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