GM LS1/LS6 Valve Spring Set - 26915-16 50 Thread - 35 mm

50 Thread - 35 mm Long - 12 mm 12 Point Head - Stainless - Polished - Universal - Set of 5

375 in Oval - 2 in Element - 5-1/8 in Carb Flange - Raised Base - Finned - Aluminum - Polished - Kit

75 in Primary - 3 in Collector - Gaskets / Hardware / Reducers Included - Steel - Black Paint - Small Block Chevy - GM Fullsize SUV / Truck 1967-87 - Pair

Carb Calibration Kit - AVS2 Series - Metering Rods / Metering Jets / Springs / Case - Edelbrock Performer Carburetors - Kit

400 in Backspace - 5 x 4

GM LS1/LS6 Valve Spring Set - 26915-16 50 Thread - 35 mmValve Spring Beehive Spring 313 lb in Spring Rate 1. 100 in Coil Bind 1. 055 in 1. 290 in OD Set of 16