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Pulse fitting Foam pre-filter Main jet
Main jet
: $4.00
Pulse Inlet Fitting FMS uses these fittings to install in the Clone's Valve Cover in order to Pulse the Fuel Pump. Use 1/8th pipe tap. We sell the Valve Cover with the fitting already installed as well. Foam Pre Filter 3.5" X 5" Selection suggestions for Box Stock:
Red restrictor plate engines on gas: .041"
Green and Purple restrictor plate engines on gas: .039"
Blue restrictor plate engines on gas: .039"
Unrestricted .615 carb on gas: .036" - .039"
Engine Throttle Clevis Low Speed Idle Jet Super seal head gasket
Aluminum clevis fits clone or flathead. Low Speed Idle Jet Stock (.016) .BSP/Clone High Performance Head Gasket
This is a Steel, Viton Coated, .010 Head Gasket that meets all AKRA specs for use in the Box Stock classes
Viton is an extremely durable, heat resistant coating that is used to insure better sealing than a untreated, stock gasket.
HL tillotson fuel strainer cover 22 lb. valve springs Valve breather kit
22lb Springs great for extra rpms without valve float. Clone valve breather kit. Fits tight in valve cover. Has outlet to attach tubing from valve cover to catch can.
AR3910X high performance plug Muffler clamp Offset flywheel keys
This is the spark plug you want for the clone or the Animal. Gasoline or Methanol. This plug greatly outperforms the stock plug that comes with a clone engine. Hp gains seen on dyno. Increased compression!! Stainless steel muffler clamp. Fits the RLV #4104 and #4106 muffler. Use offset keys to set timing for desired engine.
140 E-tube Klotz filter spray K&N style air filter
140 E-tube
: $9.00
This E-tube has a slightly larger main bore and less air bleed holes providing a better fuel signal at the jet. Improves performance across the RPM range, but especially on bottom end and mid range. You will want a main jet between .035" and .037" depending on how much you can bore out the carb venturi and which cam you use. This tube is legal in both Superbox and BP. It is not permitted in Box Stock. Filter and foam spray
Blower Housing Trick 10.8 valve springs Restrictor plates clone
Blower Housing (NEW REINFORCED DOUBLE MOUNTING TAB) Stronger and more durable than before. No more broken tabs!
  • The "Red Stripe" spring is the strongest 10.8 lb spring on the market and thus rightfully named Heavy Duty. The Heavy Duty clone spring will allow the engine builder to custom fit their spring kits. Having been through a specific process, which will reduce the amount of spring pressure loss from running in the engine, this spring will allow the engine to run a higher RPM before experiencing uncontroll ed valve float.
  • This spring will not test legal without being set. Springs will be pre-set by FMS..

Jr class restrictors
Outerwears pre-filter Recoil Starter High Flow filter cup with choke hold
Fits K&N style air filter

Fits clone or Predator High flow black anodized filter cup for GX 160/200 clone or predator. With choke hold.
Fuel pump Clone cut top plate Clone Chain Guard
Fuel pump
: $20.00
Walbro fuel pump. Has removable top that can be rotated. Best pump on the market. Black half cut top plate. Hardware included. Plate is predrilled for fuel pump. Fuel pump not included. Fits GX 160/200 This Chain Guard/Heat Shield is the perfect addition to a Box Stock, BP, Outlaw engine. The sturdy thermal shield is positioned to help prevent contact between your shoulder and the header, even when you lean on it in the turns.
Box stock pipe RLV Clone Pipe .930 RLV 4104 for stock class
This Rapp Fab improved header pipe includes an extra long flange to make it the easiest and most secure way to attach the muffler to the pipe with a hose clamp or muffler wrap. This design will help ensure the muffler doesn't rattle loose and helps prevent it the muffler from snapping off at the threaded ends in the pipe.

The header pipe meets WKA / AKRA Box Stock class rules. The threaded end makes for easy installation of the Box Stock Clone Muffler (RLV4117).
RLV Clone or predator header.
RLV 4106 for Modified and Open motors FMS Blueprinted and Flowed Carb (AKRA LEGAL) FMS Modified .990
Muffler; Open and Mod motors
1-5/16" I.D.
More open, allows more exhaust flow than the 4104
These carbs are disassembled and parts are machined and massaged to provide max-flow. Let your clone breathe and turn max rpms with our carbs!!!!!!  AKRA legal Great pipe for Modified and Open clones/predators. This is a thick flange pipe. (8000-9800). Pipe I.D. .990  For use with GX 160/200 or Predator. Use with RLV 4106