I have big block chrysler heads. 6 pairs. All are rebuild cores. Some are bare , some have valves and springs. Starting at 100.00 /pair. Various casting numbers available. Big block electronic distributors with tags. 100$ ea. Dual point 383 accel distributor 100$ Dual point 426 Mallory distributor 100$ Shipping on your dime for small parts. Prefer pickup on the heads.