Comp Cams Dual Valve Springs, .675" Lift 1.319"OD Brembo Do I need to seal

Do I need to seal the fitting threads before connecting this to my engine block

Scottsdale 1961 - 1974 Chevrolet C30 Pickup Base 1979 - 1986 Chevrolet Camaro Berlinetta 1993 Chevrolet Camaro Indianapolis 500 Pace Car 1985 - 1989 Chevrolet Camaro Iroc-Z 1973 - 1987 Chevrolet Camaro LT 1976 - 1978 Chevrolet Camaro LT Rally Sport 1976 - 1980 Chevrolet Camaro Rally Sport 1967 - 1989 Chevrolet Camaro RS 1981 - 1987 Chevrolet Camaro Sport 1967 - 1972 Chevrolet Camaro SS 1982 Chevrolet Camaro Z28 Indianapolis 500 Pace Car 1967 - 1994 Chevrolet Camaro Z28

Designed specifically for the Honda Civic Type R

Sportvan 1994 - 1995 Chevrolet K2500 Base

Direct replacement means no guessing on spring rates or damping curves

Comp Cams Dual Valve Springs, .675" Lift 1.319"OD Brembo Do I need to sealDual Valve Springs: 1. 320" O. D. Outer, . 654" I. D. Inner COMP Cams Dual Valve Springs for street strip applications are manufactured from Super Clean wire and subject to extensive quality control testing to deliver a valve spring assembly with superior strength, durability and valve train stability, no matter the application. The dual spring design creates a stronger valve spring that can easily handle the increased lift found in extreme stress