L Laine_16v Car HBT 172 Cup Nov 1, 2012 #1 Do they use the same piston ring set as normal F4R pistons? They have the same 82.7mm diameter, with 2 compression rings and 2 oil scrapers and a control, but are the rings the same thickness? Thanks
Do they use the same piston ring set as normal F4R pistons? They have the same 82.7mm diameter, with 2 compression rings and 2 oil scrapers and a control, but are the rings the same thickness? Thanks