PART GROUP NO USAGE DESCRIPTION QTY 0 310 3947880 396 427 I l EY Valve stem hardened 32 0 333 3959182 396 427 ARM Valve Rocker stamped with letter H I A 16 0 426 3942416 396 427 ROD ASSY Inlet Valve Push 8 0 426 3942415 396 427 ROD ASSY Exhaust Valve Push 8 0 429 3899622 396 427 BALL Valve Rocker Arm 16 0 429 3921912 396 427 STUD Valve Rocker Arm Ball aluminum head 16 NOTE When using 3921912 in place of 3904396 on aluminum head install 452716 helicoil 0 439 3879620 396 427 GUIDE Valve Push Rod 8 0 519 3925535 396 427 CAMSHAFT ASSY Chain Driven Operation Duration Int 354 Exh 360 1 0 519 3925533f 396 427 CAMSHAFT ASSY Gear Driven Operation Duration Int 354 Exh 360 1 TNOTE Use Thrust Bearing 3887871 0 519 3879652 396 427 CAMSHAFT ASSY Gear Driven Operation Duration lnt 352 Exh 360 1 0 519 3927140 302 CAMSHAFT ASSY 1 NOTE Used in conjunction with 3927142 Valve Spring and Damper Assy 0 519 3959180 396 427 CAMSHAFT ASSY 600 lift 1 0 519 3927144 302 CAMSHAFT UNIT 1 0 533 3887871 396 427 BEARING UNIT Camshaft Thrust 1 l lOTE Used with Gear Driven Operation 0 603 3893260 396 427 ROD ASSY Connecting pressed pin 8 0 603 3909846 396 427 ROD ASSY Connecting floating pin lst design 3 8 Bolts L3 0 603 3927145 302 1967 ROD ASSY connecting 8 0 603 3959187 396 427 ROD ASSY Conn floating pin 7 8 bolts 8 NOTE This part can be used in place of 3893260 and 3909846 provided Rod Cap clearances are machined into the cylinder block 0 616 3965720 302 327 350 BEARING UNIT Conn Rod 001 O S A R 0 616 3965716 396 427 BEARING UNIT Conn Rod 001 O S A R 0 623 3969864 396 427 BOLT Conn Rod use w 3959187 7 16 20 A R 0 626 3942410 396 427 NUT conn rod bolt 7 16 20 use w 3959187 16 0 629 3909857 427 PISTON ASSY w pin STD floating pin 8 0 629 3909858 427 PISTON ASSY w pin 001 O S floating pin 8 1st design 8 0 6229 3909859 427 PISTON ASSY w pin 030 O S floating pin 1st design 8 0 629 3909860 427 PISTON ASSY w pin 060 0 5 floating pin 8 1st design 8 0 629 3916147 396 PISTON ASSY w pin STD floating pin 8 0 629 3916150 396 PISTON ASSY w pin 001 0 5 floating pin 8 0 629 3916152 396 PISTON ASSY w Din 030 0 5 floating pin 8 0 629 3916154 396 PISTON ASSY w pin 060 O S floating pin 8 0 629 3942541 350 PISTON ASSY Std forged 8 0 629 3942542 350 PISTON ASSY 001 O S forged 8 0 629 3942543 350 PISTON ASSY 030 O S forged 8 0 629 3959105 427 1969 PISTON ASSY STD I 88 2nd design and ZL 1 8 0 629 3959106 427 1969 PISTON ASSY STD HI LIMIT L 88 2nd design and ZL 1 8 0 629 3959107 427 1969 PISTON ASSY 030 OS l 88 2nd design and ZL 1 8 NOTE Use with crankshaft 3941184 0 639 3942423 396 427 RETAINER piston floating pin 16 0 643 3879912 427 RING UNIT Piston STD 1 0 643 3879913 427 RING UNIT Piston 030 O S 1 0 643 3879914 427 RING UNIT Piston 060 OS 1 0 646 3887114 396 CRANKSHAFT ASSY for 3 8 rod bolts 1 0 646 3879621 427 CRANKSHAFT ASSY 1st design pressed pin for 3 8 rod bolts I 0 646 3942411 427 CRANKSHAFT ASSY floating pin 2nd design for 7 16 rod bolts 1 0 646 3941184 350 CRANKSHAFT ASSY ring wt 4 118 lbs for use with Forged Pistons 1 NOTE Use with pistons 3942541 2 3 i l969 CHEVROLET MOTOR DIVISION GENERAL MOTORS CORPORATlOl l 1 68 REV 7 1 69