Ships within 48 hours · Estimated delivery Sep 11 - Sep 16
The Thrashin® 2>1 Anti-Reversion™ Exhaust system has equal length stepped head pipes with Jim Feuling's patented design anti-reversion™ 'AR' chambers™ (Patent # US 4206600 A & 6336471 B1)
This complete bolt-on kit includes everything:
Quickee Pushrods eliminate the need to remove the top end and cooling lines saving time and money
Made for BIG ENGINES 131 - 150+ or High Revving 124-133 High Compression Builds
Decal logo inside the bowl
S&S 550G Gear Drive Camshaft Kit for 2017-Up M8 Models - 0925-1174 HARLEY AXLE ADJUSTER The Thrashin® 2>1 Anti-Reversion™ ExhaustFEATURES & BENEFITS 550G is an ideal Horsepower Cam for 114 and larger engines Eliminates cam drive chain and tensioner Kits include all required bearings, o rings, and hardware Gear drive cams provide improved valve timing accuracy Made in the USA Required for installation: This cam requires Adjustable Pushrods and Heavy Duty Valve Springs. We recommend: Quickee Adjustable Pushrods with Cover Keepers for 2017 up M8 Models Heavy Duty Valve Spring kit