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The NPT threaded insert is machined from 304 stainless steel and features an M10 internal hex for tightening
Turbo oil drain adaptor (available in 38mm or 50mm bolt spacing)
R31 Skyline
this upgraded version relocates the outlet to the rear for easy access and a cleaner
Designed for excellent serviceability and engine bay clearance
20b Stainless Exhaust Flange 16mm Oil The NPT threaded insert isProduct Description (Rewritten & SEO Focused) Upgrade your 20B engine setup with our 16mm Billet Stainless Steel Exhaust Flange, engineered for strength, precision, and durability. Built from high grade billet stainless steel, this flange is CNC machined in house for perfect alignment, consistent weld penetration, and a professional finish. Designed to suit Mazda 20B rotary engines, its compatible with SCH 1040 2 inch pipes or port size 62 mm stepped
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