4-40 NC High Speed Steel Bottoming Tap RS3405W/7 These Crosswind Vortec intake manifold

These Crosswind Vortec intake manifold for 1995 and older SB Chevy blocks using the 1996 and later Vortec cylinder heads or Edelbrock E-Tec heads

Protection class II according to EN 60 730-1

The four nose pieces included are: 3/32

#10326 Rotor (reversible

A x B x D x D1 (mm) : 42 x 62 x 63 x 32

4-40 NC High Speed Steel Bottoming Tap RS3405W/7 These Crosswind Vortec intake manifoldFor producing precision threads by hand tapping, ideal for finishing blind holes General purpose use Suitable for materials up to 1000N mm2 Through & blind holes Suitable for both hand and machine operations Threads per inch 40 Overall length 48mm Cutting length 15mm Drill diameter 2. 3mm