METRA MTRIB4GRNRT-50 Nickel Ring Terminal 4 Gauge 5/16 inch 50 Pack
- Cable Terminals & C…
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Two beveled PVC spacer rings fit 6.5in speakers with a 148mm mounting hole and 38mm max depth tapering to 19mm for angled sound projection
A pair of precision-cut spacer rings built for 6.5in aftermarket and OEM speakers. The beveled profile tapers from a maximum depth of 38mm down to 19mm, giving angled mounting for clearer sound projection. Rugged PVC construction resists vibration, heat and moisture in automotive, marine or custom audio installs. Supplied as a value two-pack for dual speaker projects.
Each ring has a 148mm mounting hole diameter that matches most 6.5in speaker frames. The beveled design prevents interference from door panels and window tracks when the speaker sits deeper than the factory opening. Buyers whose speaker frames exceed this hole pattern or who need a flat spacer instead of a tapered one will not be served by these rings.
The rings sit between the speaker and the door or panel using the existing screw holes; no cutting or adhesives are required. Common issues arise when the factory opening is smaller than 148mm or when the door cavity cannot accommodate the 38mm maximum depth. Confirm the opening diameter and available clearance before fitting.
Measured against everything we stock in Amp Wiring Kits & Install Parts, at today’s prices. Recalculated every night.
| Product | |
|---|---|
| Model name | DOES NOT APPLY |
| Part number | DOES NOT APPLY |
| Product type | Amplifier Power Cables |
| Size & build | |
| Size or dimensions | 6.5 in (16.5 cm) |
| Overall length | 6.5 in (16.5 cm) |
| Overall width | 6.5 in (16.5 cm) |
It matches the standard cut-out for most aftermarket and OEM 6-1/2 speakers, so the ring bolts straight to the door or panel without extra drilling.
The ring tapers from 38 mm down to 19 mm, giving deep-mount speakers the extra depth they need while clearing window tracks and panel contours.
Each ring needs a 148 mm round cut-out and uses the speaker's own mounting screws; the 6.5 in outer diameter fits typical door cavities.
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