Allstar Performance Compression Tester - 0 to 300 PSI - 2-1/2" Dial - 12" Flexible Hose H76203FXXL Note: AFC30210 and AFC30208 will

Note: AFC30210 and AFC30208 will work on 1970-74 models when used as an inner/outer assembly

Note that sometimes this material is referred to as "fireproof"

1975-1978 GMC K15 Suburban

Vents have 1/4"NPT threads and a 9/16" hex head to ease installation

Allstar Performance Compression Tester - 0 to 300 PSI - 2-1/2" Dial - 12" Flexible Hose H76203FXXL Note: AFC30210 and AFC30208 willTester checks cylinder compression from 0 to 300 PSI and features an air hold valve to reset gauge. One piece stepped brass end fitting with O rings fits 14mm and 18mm spark plug threads. Easy to read 2 1 2" dial is encased in a metal housing, surrounded by an anti shock rubber cover. A quick release coupler connects the included 12" flexible hose to the gauge. Specialty items for the Shop, Trailer and Track. The Allstar Performance brand offers