Trick Flow Beehive Single Valve Spring - 313 lb/in - 1.140 in Coil Bind - 1.055 in OD (Set of 16) Demon Carburetion 1955-1979 Ford Thunderbird

1955-1979 Ford Thunderbird

084 Inch Starter Register

Carb recommendations: Use appropriate 4150 Series racing carburetor

MAP above 60 kPa

finished look from the outside

Trick Flow Beehive Single Valve Spring - 313 lb/in - 1.140 in Coil Bind - 1.055 in OD (Set of 16) Demon Carburetion 1955-1979 Ford ThunderbirdProduct Description: Valve Spring Beehive Spring Single Spring 313 lb in 1. 140 in Coil Bind 1. 055 in OD Set of 16 Trick Flow built their reputation on designing and producing power boosting aluminum cylinder heads for high performance engines, and have grown to offer a full range of performance parts and bolt on kits for nearly every aspect of the engine and drivetrain.