The PLM header assembly hardware kit replaces stock hardware on PLM headers that use slip-fit collectors, using bolts and machined nuts that screw into studs.
Features:
8.8 grade or higher quality bolts
Direct replacement
Short bolt is 2 3/8 inches long
Long bolt is 3 1/2 inches long
Package Includes:
2 bolts
2 nuts (4 nuts for the long version)
Important Notes:
Most PLM headers use the short version; once the slip-fit collector is fully inserted, the short hardware fits properly
The long version is for rare cases, such as the H-Series ramhorn header, where the 4-1 merge collector needs more adjustability in the slip-fit collector
For PLM headers that use slip-fit collectors
Fits Honda B-Series, D-Series, and K-Series engines
