2021 PC December Skinny

DECEMBER 2021 THE DRAGSPECIALTIES 9 dragspecialties.com RACE SERIES ® CAMCHEST KITS FOR M-EIGHT* (CONT) REAR OUTER CAM CHAIN DRIVE SPROCKETS • 34-tooth machined steel • PART #0925-1371 is for use when upgrading 99-01 engines with Magneti Marelli ignition and cam sensor to conversion cams (can be used on 02-17 Delphi equipped ignition system engines but is not required as Delphi ignition engines do not use a cam sensor) • PART #0925-1370 is for use when changing cams on 99-01 engines using the original factory outer silent chain on engines with Magneti Marelli ignition system • Made in the U.S.A. OIL TANK BREATHER KITS* • Stop dipstick blowout • Release power robbing pressure from oil tank and crankcase • Reduce blowby • Promote proper oil flow and oil tank function • Braided steel lines and stainless steel fittings, breather line are coated with clear PVC • Gasket, thread sealant, necessary hardware and installation instructions included • Dyna models require removal of the transmission/​oil tank cover • Early FLT models require removal of dipstick housing (new gaskets are supplied) • Not compatible with the Baker + oil pans due to the removal of the oil routing maze baffle • Made in the U.S.A. PART # DESCRIPTION FOR 99-01 TWIN CAM MOTORS 0925-1371 Rear cam outer chain sprocket for engines with Magneti Marelli ignition using updated hydraulic chain drive system with 07-17 style outer chain, 34-tooth 0925-1370 Rear cam outer chain sprocket for engines with Magneti Marelli ignition using factory 99-06 style outer chain, 34-tooth PART # DESCRIPTION FOR 02-06 FLT/​FLHT/​FLTR/​FLHX 0710-0274 Stainless 0710-0275 Black FOR 99-01 FLT/​FLHT/​FLTR 0710-0272 Stainless 0710-0273 Black FOR 99-05 DYNA 0710-0270 Stainless 0710-0271 Black 0925-1370 0925-1371 0710-0274 0710-0271 GRIND VALVE LIFT OPEN CLOSE DURATION @ .053” LIFT @ TDC LOBE CENTERLINE CAM SPECS MEASURED IN THE ENGINE ON THE LIFTER @ .050” USING A 1.61 ROCKER ARM RATIO 508 Intake .508 20.5° 37° 237° .180” 98.5° Exhaust .511 44° 17.5° 241.5° .146” 103.25° 521 Intake .518 17° 34° 231° .162” 98.5° Exhaust .521 51.5° 11.5° 243° .125” 110° 538 Intake .538 20.5° 38.5° 239° .180” 99° Exhaust .542 48° 18° 246° .157” 105° 592 Intake .578” 20° 34° 234° .182” 97° Exhaust .592” 68° 16° 264° .146” 116°