For jetting most stock and performance engines Low Range Jet Kit, Includes .025" - .0295", .062" - .074 Made in the U.S.A.

Replacement rings sets for S&S pistons only Rings come as a set for two pistons Made in the U.S.A.

Inspired by our Pro Stock Drag Race engines, these updated big bore kit utilizes a Ductile Cast Iron liner wrapped in cast aluminum for optimum thermal conductivity and performance Bolt-in kits do...

O-Ring for Super E & G Carburetors 0.390" inside diameter 0.510" outside diameter

Precision-machined and heat-treated bodies Premium-quality anti-pump-up hydraulic inserts Eliminate noise from the mechanical valve train +0.003" oversize For 1953-'84 HD big twins Made in...

All-steel construction Welded-in-screen Higher flow than stock Elongated breather pocket scavenge hole for increased suction Breather gear for 1948 - early 1977 big twin Compatible...

Replacement ring sets for S&S pistons only Rings come as sets for two pistons Made in the U.S.A. Compatible Vehicles Years Make Make Notes 2011-2013 Harley-Davidson Blackline...

O-Ring for Super E & G Carburetors 2.0" inside diameter. 2.187" outside diameter

Super E has a 1-7/8" throat at the butterfly and a 1-9/16" venturi and is recommended for use on Big Twin or Sportster engines up to 100-cubic-inch If there is a doubt as to which...

Includes all required gaskets and O-rings for both rocker boxes Compatible Vehicles Years Make Make Notes 2011 Harley-Davidson Blackline FXS 2014-2016 Harley-Davidson Breakout...

Designed specifically for S&S intake manifolds Made with aluminum Made in the U.S.A. Compatible Vehicles Years Make Make Notes 1995-1997 Harley-Davidson Bad Boy...

Gear driven cam gear kits come with everything needed to replace the gears on a set of gear driven cams for 1999-2006 big twin (NOT 2006 Dyna) and S&S T-Series engines using a 1999-2006 style...