Earl's 90 Degree Bulkhead Adapter Fitting -4 AN Male to -4 AN Male Bulkhead - Blue R010003YXL 3 more per stack than

3 more per stack than the Speed Stack 7 system

1965-1991 Pontiac Grand Prix

and long 17 second pulse for applications such as nitrous oxide

Fits 1967-1972 C10 trucks that came from the factory with truck arms and coil spring rear suspension

1991-1991 Chevrolet R2500 Suburban

Earl's 90 Degree Bulkhead Adapter Fitting -4 AN Male to -4 AN Male Bulkhead - Blue R010003YXL 3 more per stack thanEarl's offers the most complete line of adapter fittings in the industry. In addition to the standard range of AN adapters in both aluminum and steel, over the past 30 years Earl's has designed and manufactured a wide selection of special adapter fittings to meet the needs of the racing industry. These specials include metric to AN, inverted flare to AN and power steering fittings. Product Description: Bulkhead 90 Degree 4 AN Male to 4 AN Male