OTR Filters Valve Cover Breather - Clamp-On - Round - 1.5 in OD Tube - Red 20-600-9 Provides 1600 to 1800 Stall

Provides 1600 to 1800 Stall behind Small Blocks and 1800 to 2000 Stall behind Big Blocks

this digital instrument provides you with the ability to toggle between various display views in order to see each channel individually

Single Valve Springs

235 lb/in Spring Rate

OTR Filters Valve Cover Breather - Clamp-On - Round - 1.5 in OD Tube - Red 20-600-9 Provides 1600 to 1800 StallProduct Description: Breather Clamp On Round 1. 5 in OD Tube Reusable Aluminum Red Powder Coat Sold Individually US based OTR Filters was founded on developing air filtration solutions that help engines breathe easier, run faster, and perform at their best. With a wide range of filters for everything from street performance to hardcore racing, OTR Filters combines excellent performance with maximum engine protection.