1999 GMC K2500 6
Measures approximately 24
7L L4 F/I - All 1998 OPEL MONTEREY B 3
Other brands often use cardboard templates or cruder methods of controlling production standards
achieving a 75% intake to exhaust flow ratio with our exhaust port in the stock location reaching 275 cfm
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 1999 GMC K2500 6Small 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