Ferrea 6000 Series Valve Stainless Exhaust 1.600" Head 5/16" Valve Stem 5.015" Long - GM LS-Series - Set of 8 Coil-Over Helper Spring Standard-duty kits feature 3/8" studs

Standard-duty kits feature 3/8" studs and heavy-duty models use 1/2" studs

Factory length for '65+ Ford 255 and 302 with flat tappet cams

Manufactured and assembled in the USA

25 x 30 in Sheet

Flexplate for Ford Small Block 289-351 with C4 Transmission

Ferrea 6000 Series Valve Stainless Exhaust 1.600" Head 5/16" Valve Stem 5.015" Long - GM LS-Series - Set of 8 Coil-Over Helper Spring Standard-duty kits feature 3/8" studsProduct Description: Exhaust Valve 6000 Series 1. 600 in Head 0. 313 in Valve Stem 5. 015 in Long Stainless GM LS Series Set of 8 Ferrea Racing Components are engineered to excellence! For decades, Ferrea Racing Components has been manufacturing hard core racing components for various types of engines in a wide range of categories worldwide. Ferrea uses the latest technological advances gained through the development of engine valve programs for