1 – W7000900300300 – Engine Head, 2 – W560 – Head Washer, 3 – W530/12 – Head Nut, 4 – W003 – NGK, 5 – W620 – 0-Ring Head, 6 – W7000703000700 – Complete Cylinder, 7 – W470 – Exhaust Studbolt, 9 – W7004281000100 – Cylinder Stud Bolt, 10 – W702428730020B – Exhaust Spring Bracket, 11 – W540/RVA – Exhuast Nut, 12 – W702428730020A – Exhaust Spring Bracket, 13 – W565 – Exhaust Washer, 14a – W7002463000600 – Jr. Manifold, 14b – W7002463000400 – Sr. Manifold, 15 – W670 – Exhaust Gasket