P2R Crank Washer Kit 18x8 Can I use these on

Can I use these on a naturally aspirated engine

Adjustable width: 60–80cm

Can I install this myself without going to a shop

1/4" ID - Direct fit to standard carbureted and EFI fuel line fittings

P2R Crank Washer Kit 18x8 Can I use these onP2R Crank Washer Kit will extend the crank shaft enough to allow proper fitment of Flywheel for engines where the Crankshaft does not extend far enough. Kit includes Washer and 8 x OEM Honda long flywheel bolts. This is needed when installing a crankshaft from a 2009 and newer J series engine into an older generation J series block. For example installing a J37A4 crankshaft into a J32A3 block. Note: 2009 and newer J series crankshaft's have the crank