Pioneer Valve Spring Chev SB LT1- High Performance #RV943X 7057 ––Blind-hole threads

––Blind-hole threads

-Brand - K & N -Genuine

Drill - Blue

anti-static and UV protection to safety lenses

Part number HU250TM

Pioneer Valve Spring Chev SB LT1- High Performance #RV943X 7057 ––Blind-hole threadsPioneer Small Block Chevy 1. 260" High Perf "Z 28" Valve Spring Each Chevy Small Block And Others Z 28 Performance Valve Springs Fits Many Applications Including Small Block Chevrolet Engines Specifications : Free Length : 2. 100" Outside Diameter : 1. 260" Inside Diameter : . 876" Wire Size : . 192" Closed Pressure : 110# @ 1. 700" Open Pressure : 285# @ 1. 210" Coils : 6. 5 RH Turn Solid Height : 1. 160" Single Spring With Damper Good For Up To .