Boundary Oil Pump Gear for 01-05 Mazda Miata BP I4 VVT MartenWear Treated Billet

Boundary Oil Pump Gear for 01-05 Mazda Miata BP I4 (VVT) — MartenWear Treated Billet Upgrade reliability and performance with the Boundary billet oil pump gear designed specifically for 2001–2005 Mazda Miata (BP) 1.8L I4 with VVT. Machined from billet material and finished with MartenWear treatment, this gear resists wear, reduces backlash and extends pump life under high-stress driving. Direct fit: Exact OEM dimensions for a hassle-free swap into BP-series Miata VVT oil pumps. Durable finish: MartenWear surface treatment improves hardness and lubricity to prevent premature failure. Precision machined: CNC billet construction ensures concentricity and consistent oil pressure delivery. Performance focused: Ideal for spirited street use, track days, and modified engines where reliable oiling is critical. Restore factory oiling reliability or upgrade your Miata with a high-quality gear built to last. Boundary’s billet, MartenWear-treated gear is an excellent preventive maintenance item or performance enhancement for BP I4 VVT owners.