Endurance Plus Dual Valve Springs with Damper (16) 1.550" OD ISK9315-PLUS Volkswagen 400 Series Blue Push Lock

400 Series Blue Push Lock Hose -8AN4

No Counter Bore

Ball Milled>5-1/8 Recesed Base

AF64-2006P

Endurance Plus Dual Valve Springs with Damper (16) 1.550" OD ISK9315-PLUS Volkswagen 400 Series Blue Push LockEndurance Plus Dual Valve Springs with Damper (16) 1. 550" OD220LBS @1. 900" Seat Pressure, 530LBS @ 1. 240" Open Pressure, 1. 130" Coil Bind ISK9315 PLUS K9315 PLUS The Endurance Plus series of valve springs utilises a specially processed Tool Room Material for increased endurance and reliability beyond the "SP" series plus special processing for increased durability. Endurance Plus springs are designed for late models, modifieds, etc and are