Chrome Steel Valve CoversSuit Holden 253-308 With Aeroflow LogoBrand: AEROFLOWPart Number: AF1821-5004Description: Stamped Steel Rocker Cover to suit Holden V8 Early 253 304 308 with Stamped Aeroflow Logo. Designed for function and fashioned for great looks, Aeroflow’s Stamped ValveCovers have stock-style breather baffles that prevent oil passage to the PVC valve. Available in two great finishes; chrome plated and black electrolysis. Available with and without logo. Also comes with one 10.05mm (3/4”) ID and one 25.4mm(1”) ID rubber grommets to suit 31.5mm (1-1/4”) breather hole. Additional Specifications: • 1-1/4" Valve Cover Breather Hole x 1 Each Valve Cover with Internal Baffle• 2 Rubber Grommets Included (AF1859-1000 x1, AF1859-1001 x1) • 6 bolts per valve cover. • Depth - 90mm • Overall Length - 511mm • Overall Width - 130mm • Overall Height - 99mm