Hard anodised (excluding Silver) adds the final touch of quality and protection you have come to expect from Aeroflow
AR250-3004
o-rings on boost sleeve which prevents loss of boost signal pressure
12-Point Nutfits BB Chev With Iron & Aluminium Heads
Small Block Chev 400 - Pro Flat Top Forged Piston SRP271065 Product:406, 377 c.i, 4.155" bore, 3.750 (406), 3.480 (377)" stroke, 6.250 (4 Hard anodised (excluding Silver) addsSmall Block Chev 400 Pro Flat Top Forged Piston406, 377 c. i, 4. 155" bore, 3. 750 (406), 3. 480 (377)" stroke, 6. 250 (406), 6. 125 (377) rod length, 5cc dome volume SRP271065 P271065 SRP Professional Series Pistons SRP Professional pistons include features used in professional racing such as lightweight forged side relief (FSR) forgings, high quality wrist pins, and CNC machined ring grooves and skirts. In addition, every package includes JE Pro