Valvetrain
LT1 hydraulic roller lifter (93-95) = 5234890
LT1 hydraulic roller lifter (96-97) = 17120735
LT4 valve cover, LH = 12552321
LT4 valve cover, RH = 12552322
LT4 valve cover gasket = 10108625
LT4 valve cover mounting nut = 10108675
LT4 valve cover mounting stud = 10108674
LT4 valve cover mounting stud grommet = 10108626
LT4 valve cover PCV grommet = 10240678
LT4 valve cover oil cap = 12555685
LT4 valve stem seals, intake = 10212810
LT4 valve stem seals, exhaust = 12564853
LT4 valve shim (single) = 10212809
LT4 valve retainers (set of 16) = 12495492
LT4 high performance valve spring (single) = 12551483
LT4 high performance valve spring (set of 16) = 12495494
LT4 valve locks (set of 32) = 12495503
LT4 intake valve (2.00" diameter) (from 1996 350 LT4 Corvette) = 12555331
LT4 exhaust valve (1.55" diameter) (from 1996 350 LT4 Corvette) = 12551313
LS1 rocker arm bolts (m8x1.25 threads) = 12560961
LS1 valve cover (98), LH = 12559604
LS1 valve cover (99-00), LH = 12570427 (formerly 12559894)
LS1/LS6 valve cover (01-02), LH = 12570427 (formerly 12561820)
LS1 valve cover (98), RH = 12559603
LS1 valve cover (99-00), RH = 12582224 (formerly 12561819)
LS1/LS6 valve cover (01-02), RH = 12582224 (formerly 12561818)
LS1 valve cover gasket (98) = 12556429
LS1 valve cover gasket (99-02) = 12560696
LS1 valve stem seals (set of 8), intake (black) = 12533586
LS1 valve stem seals (set of 8), exhaust (brown) = 12457652
LS6 valve spring (02-04 Corvette) = 12586484 (formerly 12565313)
LS6 valve spring retainers = 10166344
LS6 valve locks = 10166345
LS6 valve spring (used with 12480033 hotcam camshaft) = 12565117
LS6 valve spring (used with 88598606 roller camshaft) = 12565313
LS6 hollow-stem intake valve (used with 88598606 roller cam) = 12565311
LS6 hollow-stem sodium-filled exhaust valve (for 88598606 roller cam) = 12565312
magnesium valve cover (only for racing heads 12480005, 12480090) = 12480025
LS1/LS6 pushrod = 10238852
LSx lifter = 17122490
Camshafts
LT1 stock cam sprocket (93-94) = 10128349
LT1 stock cam sprocket (95-97) = 10206039
LS1 'Hotcam' camshaft = 12480033
LS1 ASA camshaft = 12480110
LS1 'roller' camshaft = 88958606
LS1 camshaft (from 98-00 F-body) = 12560965
LS1 camshaft (from 98-99 Corvette) = 12560964
LS1 camshaft (from 00 Corvette) = 12560968
LS1 camshaft (from 01 F-body and 01 Corvette) = 12561721
LS6 camshaft (from 01 Corvette Z06) = 12560950
LS6 camshaft (from 02-04 Corvette Z06) = 12565308
LS1 camshaft position sensor (with seal) (98) (AC-Delco #213-355) = 12560229
LS1 camshaft position sensor (with seal) (99-02) (AC-Delco #213-363) = 12561311
LS1 camshaft pstn. sensor connector (3-way black F) (98-02) (AC-Delco #PT117) = 12085495
Cylinder Heads
LT4 cylinder heads = 12363287 assembled, 12555690 casting
LS1 cylinder heads (98 F-body, 98 Corvette) = 12558807
LS1 cylinder heads (99-01 F-body, 99-01 Corvette) = 12559855
LS6 cylinder heads (01 Corvette) = 12560801
LS6 cylinder heads (CNC-ported, milled .055) = 88958622
LS6 cylinder heads with valves and springs = 12564824
LS1 cylinder head gaskets (98-01 F-body, 97-01 Corvette), pair = 12498543
LS6 cylinder head gaskets (MLS) (02 F-body, 02-04 Corvette), single = 12573949
LS6 cylinder head gaskets (MLS) (02 F-body, 02-04 Corvette), pair = 12498544
LS1/LS6 cylinder head bolts kit (15 bolts, for 1 head) (98-02) = 12498545
discontinued racing cylinder head = 12480005
racing cylinder head = 12480090
LS1 head guides = 12558081
6.0L head gasket = 12589227
LS6 valley cover = 12568002
LT1 hydraulic roller lifter (93-95) = 5234890
LT1 hydraulic roller lifter (96-97) = 17120735
LT4 valve cover, LH = 12552321
LT4 valve cover, RH = 12552322
LT4 valve cover gasket = 10108625
LT4 valve cover mounting nut = 10108675
LT4 valve cover mounting stud = 10108674
LT4 valve cover mounting stud grommet = 10108626
LT4 valve cover PCV grommet = 10240678
LT4 valve cover oil cap = 12555685
LT4 valve stem seals, intake = 10212810
LT4 valve stem seals, exhaust = 12564853
LT4 valve shim (single) = 10212809
LT4 valve retainers (set of 16) = 12495492
LT4 high performance valve spring (single) = 12551483
LT4 high performance valve spring (set of 16) = 12495494
LT4 valve locks (set of 32) = 12495503
LT4 intake valve (2.00" diameter) (from 1996 350 LT4 Corvette) = 12555331
LT4 exhaust valve (1.55" diameter) (from 1996 350 LT4 Corvette) = 12551313
LS1 rocker arm bolts (m8x1.25 threads) = 12560961
LS1 valve cover (98), LH = 12559604
LS1 valve cover (99-00), LH = 12570427 (formerly 12559894)
LS1/LS6 valve cover (01-02), LH = 12570427 (formerly 12561820)
LS1 valve cover (98), RH = 12559603
LS1 valve cover (99-00), RH = 12582224 (formerly 12561819)
LS1/LS6 valve cover (01-02), RH = 12582224 (formerly 12561818)
LS1 valve cover gasket (98) = 12556429
LS1 valve cover gasket (99-02) = 12560696
LS1 valve stem seals (set of 8), intake (black) = 12533586
LS1 valve stem seals (set of 8), exhaust (brown) = 12457652
LS6 valve spring (02-04 Corvette) = 12586484 (formerly 12565313)
LS6 valve spring retainers = 10166344
LS6 valve locks = 10166345
LS6 valve spring (used with 12480033 hotcam camshaft) = 12565117
LS6 valve spring (used with 88598606 roller camshaft) = 12565313
LS6 hollow-stem intake valve (used with 88598606 roller cam) = 12565311
LS6 hollow-stem sodium-filled exhaust valve (for 88598606 roller cam) = 12565312
magnesium valve cover (only for racing heads 12480005, 12480090) = 12480025
LS1/LS6 pushrod = 10238852
LSx lifter = 17122490
Camshafts
LT1 stock cam sprocket (93-94) = 10128349
LT1 stock cam sprocket (95-97) = 10206039
LS1 'Hotcam' camshaft = 12480033
LS1 ASA camshaft = 12480110
LS1 'roller' camshaft = 88958606
LS1 camshaft (from 98-00 F-body) = 12560965
LS1 camshaft (from 98-99 Corvette) = 12560964
LS1 camshaft (from 00 Corvette) = 12560968
LS1 camshaft (from 01 F-body and 01 Corvette) = 12561721
LS6 camshaft (from 01 Corvette Z06) = 12560950
LS6 camshaft (from 02-04 Corvette Z06) = 12565308
LS1 camshaft position sensor (with seal) (98) (AC-Delco #213-355) = 12560229
LS1 camshaft position sensor (with seal) (99-02) (AC-Delco #213-363) = 12561311
LS1 camshaft pstn. sensor connector (3-way black F) (98-02) (AC-Delco #PT117) = 12085495
Cylinder Heads
LT4 cylinder heads = 12363287 assembled, 12555690 casting
LS1 cylinder heads (98 F-body, 98 Corvette) = 12558807
LS1 cylinder heads (99-01 F-body, 99-01 Corvette) = 12559855
LS6 cylinder heads (01 Corvette) = 12560801
LS6 cylinder heads (CNC-ported, milled .055) = 88958622
LS6 cylinder heads with valves and springs = 12564824
LS1 cylinder head gaskets (98-01 F-body, 97-01 Corvette), pair = 12498543
LS6 cylinder head gaskets (MLS) (02 F-body, 02-04 Corvette), single = 12573949
LS6 cylinder head gaskets (MLS) (02 F-body, 02-04 Corvette), pair = 12498544
LS1/LS6 cylinder head bolts kit (15 bolts, for 1 head) (98-02) = 12498545
discontinued racing cylinder head = 12480005
racing cylinder head = 12480090
LS1 head guides = 12558081
6.0L head gasket = 12589227
LS6 valley cover = 12568002