| 98-1940-B |  | valve intake 40mm forged ss w/ stellite tip & polished head Empi (1) |
| 98-1942-B | | valve intake 42mm forged ss w/ stellite tip & polished head Empi (1) |
| 4050 | | valve intake 42mm forged ss w/ stellite tip & polished head Empi (4) |
| 98-1944-B | | valve intake 44mm forged ss w/ stellite tip & polished head Empi (1) |
| 4051 | | valve intake 44mm forged ss w/ stellite tip & polished head Empi (4) |
| 311 109 601 | | valve intake or exhaust 35.5 stock 15-1600cc Italian |
| 98-1935-B | | valve intake or exhaust 35.5mm forged ss w/ stellite tip & polished head (1) |
| 4047 | | valve intake or exhaust 35.5mm forged ss w/ stellite tip & polished head (4) |
| 98-1937-B | | valve intake or exhaust 37mm forged ss w/ stellite tip & polished head Empi (1) |
| 4048 | | valve intake or exhaust 37mm forged ss w/ stellite tip & polished head Empi (4) |
