Pole Piece Dual Gold Plated Block Terminals Linear Poly-cotton Spider with Integrated Tinsel Leads S.E.T. (Spider Exhaust Technology) Cooling Custom Designed Die Cast Aluminum Hidden Screw Mounting Gasket Outside Dimension 12 3/8" Mounting Depth 6 3/8"  (less)

vented pole piece* dual gold plated block terminals* linear poly-cotton spider w/integrated tinsel leads* s.E.T. (spider exhaust technology) cooling* custom designed die cast aluminum* hidden screw mounting gasket* outside dimension 15 3/8* mounting depth 7  (less)

Pole Piece Dual Gold Plated Block Terminals Linear Polycotton Spider with Integrated Tinsel Leads S.E.T. (Spider Exhaust Technology) Cooling Custom Designed Die Cast Aluminum Hidden Screw Mounting Gasket Outside Dimension 12 3/8" Mounting Depth 6 3/8"  (less)

Pole Piece Dual Gold Plated Block Terminals Linear Poly-cotton Spider with Integrated Tinsel Leads S.E.T. (Spider Exhaust Technology) Cooling Custom Designed Die Cast Aluminum Hidden Screw Mounting Gasket Outside Dimension 10 3/8" Mounting Depth 3"  (less)