Production Type complete set for one engine per container Std 020 O S 030 O S 040 O S 57 63 ALL 283 exc F 1 w H L Cam 57 58 CORVETTE exc E1 w HL Cam 59 61 CORVETTE exc H L Cam 63 ALL 230 63 Ser 10 D D 4 cyl 37389011 ei 37389021v 37389031 1 29 05 57 61 PASS CORVETTE F l w H L Cam 59 61 CORVETTE dual 4BC w H L Com 3747925 3747926 1 29 35 58 61 PASS 348 exc H Per H L Cam 3750538 3750539 3750541 1 29 50 61 63 PASS 409 3798935 3798936 1 33 50 62 63 ALL CORVETTE 327 exc Sp H Pe1t F I 3799420 3799423 3799430 1 29 05 63 Ser 10 thru 30 292 3794473 3794474 3794479 3794484 1 Service Type complete set for one cngino per container Std 020 O S 030 O S 040 O S 38 53 ALL 216 608201 6 8202 608203 1 16 30 38 53 ALL 216 37040081 1 21 95 41 49 ALL 235 608207 608208 1 16 30 41 49 ALL 235 3704052 1 21 95 50 52 ALL 235 53 ALL 235 exc PG 3696718 3696719 3696720 1 16 30 50 52 ALL 235 53 ALL 235 exc P G 3704030 3704047 1 21 95 53 PASS CORVETTE w P G 54 62 ALL CORVETTE 235 37130021 371300311 37130041 37130051 1 21 95 54 55 ALL 261 1st Ser 62 ALL 261 37316761 37316811 37316851 37316891 1 23 70 55 57 ALL CORVETTE 265 372499811 372499911 37250001 37250011 1 26 50 57 63 ALL CORVETTE 283 63 ALL 230 63 Ser 10 D D 4 cyl 37475391 5 37475491 5 37475581 37475671 1 29 05 58 61 PASS 348 37554621 L 37554631 375546411 37554651 1 31 00 58 61 PASS wyH Per Sp H Per 348 3815803Q 38158060 3815809 1 33 50 62 63 CORVETTE w F I Sp H Pen 3815798 3815795 1 39 50 NOTE These Ring Units contain a Q top compression rzlnq INOTE These Ring Units contain QQ compression rings 1 NOTE Cromflex Ring Set having chrome plated oil rings top compression ring and chrome plated rail for middle compression ring NOTE lt is necessary to use special service type Piston rings with all 348 cu in engines having High Performance and High Lift Camshaft NOTE It is intended these rings be used for normal engine operation only QNOTE These special type rings should be used for sustained high speed engine operation NOTE 040 O S Pistons are not serviced for this engine NOTE Only half of the components in this unit are required for 4 cyl models three quarters are required for 6 cyl models 0 646 CRANKSHAFT with Dowel Pins 40 41 ALL 216 torgecl 839111 839110 1 79 50 42 47 ALL 216 forged 839775 r l 839774 1 79 50 42 47 ALL 235 forged 839750 839749 1 79 50 48 53 ALL 216 exc P G forged 3835271 3835270 1 79 50 8 33 Mm t i 209 0 643 0 646 Gsnsml Mum s Cor pm mmn