Our LT2 cylinder heads were developed specifically for the stock displacement LT2 engines to deliver improved cylinder fill in the lower RPM ranges while adding substantial airflow increase in the upper ranges as well.
CLICK HERE to learn why GPI makes the best performing Cylinder Heads you can buy!
OEM Casting ported and chambered – with valves less springs.
Lift | Stock GM Int | Ported LT2 Int |
.300 | 207 | 212 |
.400 | 268 | 275 |
.500 | 306 | 320 |
.600 | 306 | 330 |
.700 | 306 | 338 |
.800 | 315 | 348 |
.900 | 320 | 355 |
Lift | Stock GM Ex | Ported LT2 Ex |
.300 | 150 | 154 |
.400 | 176 | 193 |
.500 | 189 | 219 |
.600 | 193 | 225 |
.700 | 196 | 222 |
.800 | 196 | 222 |
.900 | 196 | 222 |
Cores must be received within 30 days of receipt of your GPI Ported GEN V LT Cylinder Heads, must be in acceptable condition, and include usable valves. Please allow up to five business day upon receipt of your return cores for inspection and verification, followed by up to five business days before your refund is processed.
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