Allstar Performance 5/8-18" RH Thread Jam Nut Aluminum Natural - Set of 50 H760C30XS Wastegate open pressure setting for

Wastegate open pressure setting for controlling boost spikes and faster spool

1975-1977 Nissan 280Z

Polished cast aluminum covers resist warping and leaking that is common with OE style stamped steel covers

1984-1986 Mercury Grand Marquis

3/4 in Center Hole

Allstar Performance 5/8-18" RH Thread Jam Nut Aluminum Natural - Set of 50 H760C30XS Wastegate open pressure setting forAllstar jam nuts have many uses. Great for locking rod ends tightly on suspension tubes or rack and pinion steering units. Package of 50, unless noted. Specialty items for the Shop, Trailer and Track. The Allstar Performance brand offers thousands of hard to find, specialty items that cover many segments in the performance aftermarket. For over 30 years, customers worldwide have come to rely on the quality, affordable and practical items available