TCI GM Powerglide X-Wide Kevlar Band Crew Helmet The 20-121 should be used

The 20-121 should be used in conjunction with transmission kickdown / throttle cable brackets such as Holley PN 20-95 (steel) or the Holley PN 20-112 and 20-119 (aluminum) brackets

Steel-tipped inlet needles are necessary when using exotic racing fuels or alcohol or when using benzine or acetone additives

16 AN Female O-Ring Inlet

Single Cup

TCI GM Powerglide X-Wide Kevlar Band Crew Helmet The 20-121 should be usedKevlar Powerband for Powerglide.. Replace the band in your Powerglide with a TCI Kevlar High Performance Flex PowerBand. The TCI High Performance Flex Bands feature band linings with a higher coefficient of friction for higher torque capacity and the ability to produce quicker, more positive band engagement. TCI also carries a line of bands, referred to as Powerbands that include the bullet proof material, Kevlar. The powerbands are up to 18% wider