For Opel CIH C24NE (2.4). For Opel For Vauxhall Carlton 2.4L CIH MK3. For Opel Manta B 2.4L 8V. For Opel Frontera A 2.4i. Big end width:24.8mm/0.976". Small end width:24.8mm/0.976". Bolts: Including ARP 2000 3/8" bolts (Note: Extra cost for upgrading to ARP L19 bolts).