HEX HEAD HEADER BOLTS
Designed for quick, easy installation of headers and heat-treated for extra strength. The special washer faced, smaller-than-standard hex head is ideal for tight spaces. These bolts are Grade 5 with a 7/16 hex head and a protective black finish, except where noted.

STAINLESS STEEL HEADER BOLTS

• Bright ball burnish finish 304 stainless steel
• Compact hex head and flange is ideal for use where space is minimal – typical on header flanges

SOCKET HEAD HEADER BOLTS

• Black oxide coated
• Compact socket head design is ideal for use where space is minimal – typical on header flanges

METRIC HEADER & EXHAUST MANIFOLD BOLTS

• Black oxide coated
• Compact socket head design is ideal for use where space is minimal – typical on header flanges

HEADER BOLT LOCK WASHERS

• Black oxide coated
• Designed for use with header bolts to prevent loosening caused by vibration
• Helps maintain fastener clamp load for positive header flange seal

SOCKET HEAD HEADER STUDS

• Black oxide coated studs
• Cadmium plated hex nuts
• Designed for small tube headers with adequate clearance around header flange bolt holes
• Self-locking hex flange nuts are ideal for use where space is minimal and help maintain clamp-load for uniform flange seal

HEADER-TO-MUFFLER BOLTS

• Cadmium plated Grade 5 steel
• Stover lock nuts eliminate “old-style” split lock washers

Application:

• 1977-1979 BUICK CENTURY V8 5.7
• 1977-1980 BUICK CENTURY V8 5.0
• 1978-1978 BUICK LESABRE V8 5.0
• 1977-1980 BUICK REGAL V8 5.0
• 1977-1977 BUICK REGAL V8 5.7
• 1977-1979 BUICK SKYLARK V8 5.0
• 1977-1979 BUICK SKYLARK V8 5.7
• 1955-1957 CHEVROLET BEL AIR V8 4.3
• 1957-1967 CHEVROLET BEL AIR V8 4.6
• 1962-1969 CHEVROLET BEL AIR V8 5.3
• 1968-1968 CHEVROLET BEL AIR V8 5.0
• 1969-1975 CHEVROLET BEL AIR V8 5.7