0 034 EXPANSION PLUGS COVER TUBE TUBE ASSY CLIP WASHER Cylinder Block olso see 8 970 55 Ser 5 6 265 top rear of block Z 1 D x 1 O D 3836608 1 10 55 Ser 5 6 265 upper vent tube hole cup shape 1 O D 3836609 1 10 55 Ser 5 6 265 lower vent tube hole cup shape 1962 O D 3836610 l 08 55 57 ALL 8 cyl exc 322 camshaft bearing hole cup shape 2 dia 3704794 1 0 553 55 59 ALL 6 cyl frt and rear in block 2 in 3835121 A R 20 55 59 ALL 6 cyl oil press pipe in block O D cup shape 3835577 A R 1 5 31 55 60 ALL 8 cyl exc 322 oil press and tappet cup shape O D 3701638 6 1 531 55 62 ALL 261 oil filter gallery hole plug 4 0 D x long 3759366 1 07 ALL ALL water jacket balance shaft hola cup shape 1 O D 838538 8 15 55 66 ALL 8 cyl exc 322 366 water jacket pipe 1 sq socket 3738306 A R 40 56 59 ALL 322 head core support holes low pressure oil line rear head rear end cup shape 1 O D 1343096 A R 18 56 59 ALL 322 camshaft bearing hole cup shape 14 4 dia 1343469 1 0 553 V 56 59 ALL 322 high press oil gallery line low press oil line front low press oil line right rear rear locating hole cup shape O D 1343470 A R 18 56 59 ALL 322 oil line pipe X 18 thd sq socket 444782 2 8 971 56 59 ALL 322 water jacket cup shape 2 dia 1343487 4 30 58 65 ALL 348 409 left side of cyl cup shape SA 0 D 3736407 4 1 531 58 66 ALL 348 409 366 water jacket hole cup type 1 O D 3743389 11 15 62 66 ALL 159 212 54 x 2 5121316l 2 14 62 66 ALL 159 212 top of block opposite camshaft A 5150131l 2 35 62 66 Ser 80 318 frt cover cup and block 74 5119218l 2 11 62 66 Ser 80 318 rear of block 5150130l l 05 1 63 66 Ser 50 60 6 cy1 cyl head water jacket HA O D cup type I 3788418 3 15 63 66 Ser 50 60 6 cyl water jacket rear 2 O D cup type 3789860 1 15 65 ALL 351 478 cyl case core hole frt cover 66 Ser 60 478 exc TDM core hole stud 1 dia 23796210 A R 15 65 66 ALL 351 478 cyl case oil hole A dia 23815420 1 10 65 66 ALL 351 478 cyl case core hole dia 23695610 1 20 65 Ser 50 351 exc TILT 66 Ser 50 60 351 478 cyl bead core hole 555679 2 23 65 66 Ser 80 318 front 1l O D 5109157l 2 29 66 ALL 366 cyl head water jacket 1 sq socket 3864810 4 15 66 ALL 366 core support hole 5 O D 9409949 1 8 971 62 66 ALL 159 212 COVER water hole 2 ctr to ctr of holes 5150023l 1 13 62 66 Ser 80 318 COVER water hole cast 5108759 5108759l 1 3 93 62 66 ALL 159 212 TUBE flared x 12 5132286l 1 86 62 64 Ser 80 318 TUBE ASSY air box drain 5132287l 1 45 65 66 Ser 80 318 TUBE ASSY air box drain 5134753l 2 1 00 62 66 ALL 159 212 318 CLIP air box drain tube 5176668l 1 66 63 66 Ser 50 212 WASHER water jacket hole cover 1 O D 2394722 1 7 371 0 035 BAFFLE Cylinder Block 56 59 ALL 322 3 x 6 1343639 1 36 1966 Chevrolet Motor Division 79 Generul Motors Corporation REVISED MAY 1 1966