Pipe Plug Exhaust Manifold Drain Plug 3/4 Inch NPT PCM Or Indmar RS3533
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5.0L - 5.7L - 7.4L - 305 - 350 - 454 GM EXHAUST PCM
Pipe Plug Exhaust Manifold Drain Plug 3/4 Inch NPT PCM Or Indmar RS3533
Pipe Plug for Exhaust Manifold for Indmar OR PCM
3/4" NPT - Counter Sunk Square Head - Older style
For the "newer" style BRASS, order item# RS3533A HERE
Marine coated steel plug for exhaust manifold outlet
PCM "OLDER" style exhaust manifold drain plug that uses a wrench to remove (non-catalyst systems around 2006 & up).
THIS RS3533 IS STEEL AND WILL DISINTEGRATE OVER TIME.
IT USES A BREAKER BAR OR ½” DRIVE RATCHET.
THIS RS3533A IS BRASS.
IT USES A WRENCH TO REMOVE.
For the "newer" style BRASS, order item# RS3533A HERE
You can use the new style to replace the older, steel style.