http://www.maxspeedingrods.co.uk/high-performance-alfa-romeo-156-2-0-16v-twin-spark-ts-4340-en24-chrome-moly-forged-h-beam-connecting-rods-conrod-with-arp-bolts-x4pcs.html
Price: £218.00
Fit for Alfa Romeo 145/147/156/166 1.8L 2.0L Twin Spark TS
Type Forged 4340 EN24 Aircraft Chrome Moly Steel H-Beam Connecting Rod
Quantity 4 Pieces as showing in picture
Bolts Including ARP 2000 bolts
Bolts size Genuine ARP 2000 3/8" bolts
Lubricants Including ARP Ultra Torque Assembly Lubricants
Tolerance Balanced to +/- 1 gram in set
Note Extra cost for upgrading to ARP L19 bolts
Warranty 1 year
Dimensions
Center to center length 145mm
Big end diameter 53.9mm
Small end diameter 20mm
Big end width 21.95mm
Small end width 21.95mm
(http://www.maxspeedingrods.co.uk/media/catalog/product/cache/1/thumbnail/468x/9df78eab33525d08d6e5fb8d27136e95/c/r/cr-4pc_1__231.jpg)