High performance Yukon Ring & Pinion gear set for GM 8.5" & 8.6" in a 4.56 ratioYukon Gear & Axle high performance ring & pinions set the standard for quality. Yukon designed the gear tooth surface finish to reduce friction and heat, and use high grade steel in both the ring & pinion, with fitment designed to OEM spec

HP EFI ECU and harness kits are designed to be used with popular factory EFI engines as an alternative to the factory ECU and harness or as a replacement for your C950 ECU

Easy to use

This product is not designed for use in most manual transmissions or trans axles

This is the easiest and cleanest way to connect a return fuel line to your Edelbrock pro-Flo EFI system's fuel regulator

Detailed instructions are included

COMP Cams' new 26944 dual valve springs are a product of innovative design and superior craftsmanship

000in Dial Indicator 66962 (0

Meets SFI specification 1

All kits include all required hardware and brackets where required to help improve the performance handling of your Ford Mustang

9L ISB CR Top End Gasket Kit

Good torque

10 And 12 Cylinder Engines Equipped With Conventional Or Performance Ignitions And Operating Ranges Up To 16