396 ENGINE ASSEMBLY 0 333 ARM Valve Rocker with Adjusting Screw and Nut 65 70 All 396 6258611 16 N L ARM ball rod kit inside rocker arm at pilot end 0 386 COVER GROMMET Valve Rocker Arm NOTE 1 May be used with or without closed vent NOTE 2 When using on closed vent equipped vehicles it will be necessary to remove center from grommet to permit assembling of fresh air connector into side of cover 65 Pass 396 66 69 Pass 396 exc Sp H Per S S 338261 L H 19 55 painted 65 Pass w Sp H Per 396 65 67 Pass 396 exc Sp H Per 68 69 Pass 396 exc S S Sp H Pen 70 Pass Chevelle 396 338262 R H 19 60 painted 66 Chevelle w H Per Sp H Per 396 67 Chevelle Camaro w H Per Sp H Per 396 exc A I R 68 69 Chevy Chevelle Camaro 396 70 Nova Camaro 396 325174 R H 32 75 chrome 66 67 Chevelle 396 67 Camaro w H Per Sp H Per 396 exc A Fl 67 Pass w Sp H Per 396 3908923 L H 36 00 chrome aluminum head 67 Chevelle w A I R H Per Sp H Per 396 67 Camaro w A R 396 3902390 R H 36 00 chrome plate w aluminum head 68 Chevelle Camaro 396 69 All 396 70 Nova Camaro 396 325169 L H 34 50 chrome 70 All 396 338261 L H 19 55 COVER w oil filler cap 65 70 All 396 3894337 1 23 GROMMET cover to a cl it l D x 1 gz O D 1 745 Note 1 2 0 413 BOLT REINFORCEMENT Valve Rocker Cover and Support Also See Group 0 366 NOTE 1 Use with Bolt 180016 65 70 All 396 180016 1 20 BOLT 20 x Z 8 900 65 70 All 396 3877670 A R 19 REINFORCEMENT 1 z O L Note 1 0 423 GASKET Valve Rocker Cover 65 70 All 396 3860315 2 N L GASKET 21 R O L x 6 ls wide 6 tabs 0 426 ROD Valve Push NOTE 1 1st design engines will be built prior to 9 1 66 and will be identified on the engine stamp pad by T08 plus the day built 65 66 Pass Chevelle 396 67 All 396 2nd design exc Sp H Per 68 Chevy Chevelle Camaro 396 68 70 Police 396 69 All 396 70 Nova Chevelle Camaro 396 3946067 8 3 05 inlet 87 gz O L 65 66 Pass Chevelle 396 67 All 396 2nd design exc Sp H Per 68 Chevy Chevelle Camaro 396 68 70 Police 396 69 All 396 70 Nova Chevelle Camaro 396 3946069 8 3 05 exhaust 9 IG O L Note 1 67 All 396 lst design exc Sp H Per 68 69 Pass 396 exc Police 346282 8 2 20 exhaust 9 S O L Note 1 67 All 396 1st design exc Sp H Per 68 69 Pass 396 exc Police 346280 8 2 20 ROD inlet 87 gz O L Note 1 0 429 BALL NUT STUD Valve Push Rod Adjusting NOTE 1 When using 3921912 in place of 3904396 on aluminum head it is mandatory to install 452716 he icoi 65 Pass 396 3899622 16 69 gz 70 75 All 396 3899622 16 69 S4 dia valve rocker arm 70 All 396 3959142 A R 61 BALL P 6 dia GM PARTS DIVISION GENERAL MOTORS CORPORATION CHEVROLET 11 0 333 0 429 0 84 REV 4 81