Howe A-Frame Key Kit - Fits Howe Precision Max R060004XXL with two 1-3/8" baffled breather

with two 1-3/8" baffled breather tubes on one cover

5:1+compression

as well as longer life expectancy

1987-1996 Chevrolet Blazer

Facilitates the installation of any LS style GM engine into a 1967-69 1st-Gen GM F-body/ 1968-74 X-body

Howe A-Frame Key Kit - Fits Howe Precision Max R060004XXL with two 1-3/8" baffled breatherThis key set includes 10 different keys for adjusting your slot & key a frames. The keys are in 1 16" increments from 0 (centered) to 1 2" offset as well as a slotted key. Howe Racing Enterprises began building and selling chassis and components in 1971 and since then we have produced countless innovative products and over 4,000 serial numbered chassis worldwide. Howe has dedicated 52 years and three generations to providing superior products for