Application For Austin for Mini Cooper S 1275cc A series Notice：Big end diameter:45mm/1.772" Pin Type: Floating Pin Piston Specification *Type: Forged 4340 aircraft chrome moly quality steel for racing *H-beam Conrods Quantity: 4 Pieces as showing in picture *Bolts: Including ARP 2000 5/16" bolts (Note: Extra cost for upgrading to ARP L19 bolts) *The connecting rods all include ARP 2000 bolts, which are rated at 220,000 psi, and the optional ARP L19 material at 260,000 psi is available as an upgraded product. *Advertised Horsepower Rating:200HP/piece *Top acceleration: 9000rpm *package size：28CM*21CM*10CM Dimension Center to center length:146.05mm/5.75" Big end diameter:45mm/1.772" Small end diameter:20.63mm/0.812" Big end width:26.9mm/1.059" Small end width:22.3mm/0.878" Feature 1. Material: Forged SAE 4340 Chrome Moly Steel for the highest strength and durability, dedicated for Racing； 2. ARP 2000 bolts ,Optional ARP L19 fasteners available as an upgrade； 3. H-Beam design reduces