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B&M B&M Shift Improver Kit - GM TH2004R Transmissions 35265
Allstar Performance publishes a spec sheet and an instruction sheet for the ALL19162
This jam nut has a 1/2-20 right hand thread
Do I need the matching end separately
"text":"The recommended drill bit for the 5/8-18 tap size is 37/64 inch
Allstar Performance Air Pan Aluminum Flat Plenum — 23x28in, Uncut Flange, Natural Finish | ALL26101 2025-gmc-savana-3500-esi2488670 B&M B&M Shift Improver KitThis lightweight aluminum air pan fits between the carburetor and cowl area to keep engine heat away from and direct cool air to the carburetor. The pan measures 23" x 28" with a flat plenum design and an uncut flange for custom fitment, finished in natural aluminum. Spec Sheet: Allstar Spec Sheet Compatibility Universal fit with an uncut flange requiring fitment to the specific chassis; not matched to a particular make or model. FAQ What are the pan
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