2247 CHROME BILLET COMPRESSION RELEASE VALVE COVERS ROCKER COVERS (Ȧ*ȡ1ȝ 2253 BILLET PANHEAD ROCKER COVERS 2255 KNUCKLEHEAD VALVE SPRING COVERS Billet aluminum covers with a chrome finish. They install in seconds and are sold in pairs. Fits most compression release valves. 345000 Billet chrome compression release valve covers 2250 AV&V COMPRESSION RELEASE VALVES AV&V compression release valves are available in OEM style or with a shorter thread section. The advantage of the shorter thread section is that you do not have to machine the heads as deep like if you were using OEM style . These release valves all are M10x1 threaded and feature high-temperature resistant knobs are charcoal colored for a better match with black or silver heads. Sold in pairs. 749043 M10x1 with .425" (11mm) reach, 1.08" (27.5mm) long 749044 M10x1 with .425" (11mm) reach, 1.4" (35mm) long 749045 OEM style, M10x1 with .475" (12mm) reach, 1.250" (32mm) long 2256 COLONY KNUCKLEHEAD ROCKER COVER NUT STRIP SET CNC machined from solid billet aluminum and chrome finished to perfection. The rugged construction reduces valve train noise, has better cooling properties and is less prone to sealing problems as with the stock style stamped steel covers. Fits all 1948 thru 1965 Panhead models, as well as most aftermarket Panhead style engines. Sold in pairs. 302210 Smooth 2257 SHOVELHEAD ROCKER ARM COVERS Accurate reproductions of the late style rocker box covers fit all 1966-1985 Shovelheads are sold in sets for front and rear. 789439 Rocker arm cover set, polished on top (OEM 17500-66, 17502-66, 17516-77B, 17517-77B, 17518-80, 17519-80) 789438 Rocker arm cover set, chrome (OEM 17500-66, 17502-66, 17516-77B, 17517-77B, 17518-80, 17519-80) These valve spring tins are originally designed by Flathead Power and standard on S&S KN-series engines. Features and benefits are: • Improved design for better oil scavenging and less leaking • Die-cast lower covers can be removed without pressing out valve guides • Improved oil return lines are easy to replace and service • Relatively stock appearance • Work with S&S rocker arms and shafts ZPN782399, S&S high lift valve springs ZPN782746 and S&S stainless steel oil line kit ZPN782740 Stock rocker arms and shafts require modification to be used. S&S high lift valve springs have a smaller than stock inner diameter, thus must be used with S&S valve guides or stock valve guides must be turned down. 782743 Lower valve spring cover kit, black anodized. Contains set of four lower covers and gaskets 782741 Top valve spring cover kit, gloss black. Contains four top covers and gaskets 782740 CNC bent stainless steel 4-piece oil line kit 782744 Replacement rubber for ZPN 782740 oil line kit 782745 Replacement valve spring cover gasket set Kit includes all strips (OEM 17550-38, 17552-38, 17554-38, 17556-38, 17558-38 & 17560-38) with a parkerized finish, gaskets and 34 screws (OEM 3477). Fits all 1937 thru 1947 OHV Big Twins, also known as Knucklehead. 782798 Knucklehead rocker cover nut strip kit 782746 Hi-lift valve spring kit, accommodates with up to .480" valve lift 782747 Standard size cast iron valve guide (OEM 18181-36, 18185-40) 782748 +.002" oversize cast iron valve guide (OEM 18184-36, 18187-40) 782749 +.004" oversize cast iron valve guide 782750 +.008" oversize cast iron valve guide www.zodiac.nl 07-113
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