OTR Filters Valve Cover Breather - Clamp-On - Round - 1.38 in OD Tube - Blue VIB2871 They are 2

They are 2

long tube header

5:1+ and with an aftermarket higher stall torque converter

Pinion Depth Fixture

Increased horsepower

OTR Filters Valve Cover Breather - Clamp-On - Round - 1.38 in OD Tube - Blue VIB2871 They are 2Product Description: Breather Clamp On Round 1. 38 in OD Tube Reusable Aluminum Blue 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.