| Options | SKU | Price |
| 87mm; .30 (stock thickness); ARP 2000 | VAC-FIRK-S54-87030-ARP2000 | $449.95 |
| 87mm; .30 (stock thickness); ARP L19 | VAC-FIRK-S54-87030-ARPL19 | $529.95 |
| 87mm; .40 thick; ARP 2000 | VAC-FIRK-S54-87040-ARP2000 | $449.95 |
| 87mm; .40 thick; ARP L19 | VAC-FIRK-S54-87040-ARPL19 | $539.95 |
| 87mm; .70 (high boost turbo on stock pistons); ARP 2000 | VAC-FIRK-S54-87070-ARP2000 | $459.95 |
| 87mm; .70 (high boost turbo on stock pistons); ARP L19 | VAC-FIRK-S54-87070-ARPL19 | $549.95 |
| 87.5mm (Accommodates all bores up to to 87.5); .30 (stock thickness); ARP 2000 | VAC-FIRK-S54-875030-ARP2000 | $439.95 |
| 87.5mm (Accommodates all bores up to to 87.5); .30 (stock thickness); ARP L19 | VAC-FIRK-S54-875030-ARPL19 | $529.95 |
| 87.5mm (Accommodates all bores up to to 87.5); .40 thick; ARP 2000 | VAC-FIRK-S54-875040-ARP2000 | $449.95 |
| 87.5mm (Accommodates all bores up to to 87.5); .40 thick; ARP L19 | VAC-FIRK-S54-875040-ARPL19 | $539.95 |
| 87.5mm (Accommodates all bores up to to 87.5); .70 (high boost turbo on stock pistons); ARP 2000 | VAC-FIRK-S54-875070-ARP2000 | $459.95 |
| 87.5mm (Accommodates all bores up to to 87.5); .70 (high boost turbo on stock pistons); ARP L19 | VAC-FIRK-S54-875070-ARPL19 | $549.95 |
| Custom bore size (For Sleeved Engines); .30 (stock thickness); ARP 2000 | VAC-FIRK-S54-Custom030-ARP2000 | $449.95 |
| Custom bore size (For Sleeved Engines); .30 (stock thickness); ARP L19 | VAC-FIRK-S54-Custom030-ARPL19 | $539.95 |
| Custom bore size (For Sleeved Engines); .40 thick; ARP 2000 | VAC-FIRK-S54-Custom040-ARP2000 | $459.95 |