Item # KI521001UINCLUDES: PPA & 6 PAD DISC
Item # 3067300COVER HAS 1/2" SPACERS
FLYWHEEL STEP: FLAT
WILL INTERCHANGE WITH 306730014
Item # 306730014COVER HAS 1/4" SPACERS
FLYWHEEL STEP: FLAT
WILL INTERCHANGE WITH 3067300
Item # 388616FLYWHEEL STEP 1.437", (WITH NEW CAST OR NEW AVAILABLE)
Item # 70716(NEW CAST OR NEW AVAILABLE); FLYWHEEL STEP 1.443";
THIS IS NOT COMPATIBLE WITH 830575 HD6 DISC.