Camshafts & Lifter Kits Carburetors Closeouts & More Crate Engines Cylinder Heads AMC Buick Chevrolet Chrysler Ford Oldsmobile Pontiac NHRA Accepted Heads Pro-Port™ RAW Heads Small Block Chevy Chevy LS-Series Chevy SB2 & ROX Big Block Chevy Big Victor 12° / 14° / 18° Big Victor III Small Block Ford Ford FE Pontiac Accessories Data Acquisition Electronic Fuel Injection Endurashine™ Engine Dress Up Fuel Pumps Gaskets Installation Items Intake Manifolds Lubricants Nitrous Plumbing — Power Packages Superchargers Top End Kits Valvetrain Water Pumps About The Company Customer Testimonials Downloads Education Events and Racing Installation & Tech Product Catalogs Promotions Test Vehicles Needed Vehicles For Sale Warranty Information Edelbrock Performance Edelbrock Foundries, USA Edelbrock Powersports Edelbrock TV Russell Performance CYLINDER HEADS - Pro-Port™ Raw & Semi-Finished Heads - Big-Block Chevy Big-Block Chevy Applications The best standard port location cylinder head available for B/B Chevys, the Victor 24° features a rolled over deck, altered valve locations for a cost effective performance. Starting with an A356 aluminum casting - heat treated to T6 spec, some castings are available with HIP processing for extreme durability. These are the castings that are used by Race Flow Development, offering some of the best conventional port, big-block Chevy race heads available on the market. #77439 includes seats and guides that are not installed #61439 Gen II Pro-Port features a thicker deck, additional casting material in the intake runners roof and the push rod holes are deleted * Click on part number to see image BIG-BLOCK CHEVY SERIES: PRO-PORT RAW   Description Chamber Size (A) Part# HIP'd Angle Intake Port Entry Exhaust Port Exit Valve Sizes (B) Intake | Exhaust Valve Pierce Points (X,Y) Intake | Exhaust Valve Spacing Valve Seats Valve Guides Victor Jr. 24° 118cc 77469* No 24° 300cc 128cc 2.25" / 1.90" (-0.902", 0.058") (1.060", -0.556") 1.997" Included Included Victor 24° 38cc 61429* No 24° 1.47" x 1.73" 1.49" x 1.13" 2.45" / 1.96" (-0.897", 0.058") (1.100", -0.556") 1.997" Included Included Victor 24° 38cc 614269* Yes 24° 1.47" x 1.73" 1.49" x 1.13" 2.45" / 1.96" (-0.897", 0.058") (1.100", -0.556") 1.997" Included Included Victor 24° 118cc 77439* No 24° 340cc 128cc 2.25" / 1.90" (-0.897", 0.058") (1.100", -0.556") 1.997" Included Included Victor 24° Gen II 38cc 61439* No 24° 1.47" x 1.73" 1.49" x 1.13" 2.45" / 1.96" (-0.888", 0.020") (1.095", -0.580") 1.997" Included Included Victor 24° Gen II 38cc 614369* Yes 24° 1.47" x 1.73" 1.49" x 1.13" 2.45" / 1.96" (-0.888", 0.020") (1.095", -0.580") 1.997" Included Included   Installation Notes: #77439 includes seats and guides but are not installed. Installation Notes: #61439 Gen II Pro-Port features a thicker deck, additional casting material in the intake runners and the push rod holes are deleted.

(a) Unfinished size (b) Maximum size (each valve; may not be used together) (c) Coordinates provided are for cylinders #1, #3, #6, #8. Invert the "X" value for cylinders #2, #4, #5, #7. (*) Not legal for sale or use on pollution controlled motor vehicles. Sign Up To Receive Our Newsletter & Members Only Specials   Privacy Policy | Order A Catalog | Warranty Information