2336 VALVE STEM LASH CAPS VALVES (Ȧ*ȡ1ȝ 2338 THIN STEM VALVE TRAIN CONVERSION FOR 883 EVOLUTION SPORTSTERS These caps must be used on most oversized valves and all valves that must be machined to length. Also used on various racing valves. They eliminate the need of special treatment or hardening of the valve stem tip. A. B. C. D. Qty. 745136 5/16" .395" .160" .080" 1 745137 .2756" .355" .160" .080" 1 745149 .260" .345" .120" .080" 1 745146 .2165" .295" .090" .050" 1 745147 .1970" .280" .090" .050" 1 745148 .1965" .275" .230" .150" 1 2337 AV&V BLANK STEM OVERSIZED VALVES These thin stem valves and valve guides reduce mass, resulting in a easier revving engine. The valves are Precision Machining's famous Black Diamond that feature a stem measuring only 7mm in diameter. Matching valve guides are supplied with stem seals. Parts are sold individually, so order two inlet and two exhaust valves, two inlet and two exhaust valve guides and the lightweight racing valve spring kit to have a complete set-up for your 883 Evolution Sportster. Valve spring kit 236151 Lightweight racing valve spring kit (KPMI# 20-20002) Thin stem valve guides Each valve guide is supplied with one matching valve stem seal. Intake Exhaust Size KPMI# 236140 - Std. (0.562") 20-20010 - 236155 +.002" - 236143 236148 +.004" 20-20014 236144 236149 +.006" 20-20016 236145 236150 +.010" 20-20019 KPMI# 20-20020 20-20022 20-20024 20-20026 20-20029 Valve Guides Measurements These high-flow blank stem valves are great for engine builders that really want to go that extra mile to squeeze the last horsepower and foot-pound from an engine. Stems are blank, key grooves must be machined by a professional. Valves must be used with valve stem lash caps as the valve stem tip comes unhardened. Stems are centerless ground to a micro finish with a hard chrome finish for a longer life. ZPN Type Head Dia. 749212 Ex 35.4mm 749216 In 41mm 749180 Ex 1.700" 749207 In 2.100" 749210 In 2.200" Length 5" 5" 5.7" 5.7" 5.7" Stem Dia. .2346" .2351" .3106" .3108" .3108" www.zodiac.nl 07-129
Download PDF file