K&N Air Filter Assembly Custom Lids and Tops Billet Aluminum Spoked Lids A recent addition to our Custom 66 Series™, these 14” assemblies feature a billet aluminum spoked lid with a carbon fiber insert.  Both fit 5 1/8” carburetor flanges.  Full assemblies shown on Custom 66 page. 10 Spoke Design P/N 85-6850 5 Spoke Design P/N 85-6848 XStream® Chevy & GMC Replacement Lid Improve airflow and appearance on your late model Chevrolet-GMC truck and 1968 to 1995 GM vehicles with one of our new XStream® air cleaner lids. They come finished with a deep luster chrome or black with our XStream® Air Flow Top built in! These direct replacement lids are an inexpensive way to dress up your engine compartment and increase your airflow. Chrome Air Filter Top: 66-1201 Black Air Filter Top: 66-1202 K&N has taken advantage of the lightness, strength and durability of carbon fiber to bring you our Carbon Fiber Lid. This new lid combines all the necessary features for racing with the good looks only carbon fiber can provide.

This top lid fits K&N air filters part numbers E-3740, E-1650, E-3743, E-3745, E-3730, E-3750, E-3732, E-3760, E-3770 or any round air filter with an 14" outside diameter. At 4.6 oz this lid weighs 1/4 as much as our standard chrome top plate. 14" O.D. top plate Carbon fiber (center rises 1")……… 14" Drop Base Plate K&N's 14" air filter drop base plate is available separately for replacement or special applications. Base plate fits carburetors with 5-1/8" airhorn flange. This drop base will clear electric choke mechanisms. 14" O.D. drop base, Chrome plated steel, 5-1/8" flange (drops filter 7/8" below carb flange)……… K&N P/N Complete Assembly 14" Offset Flat Base Plate K&N's 14" air filter offset flat base plate is available separately for replacement or special applications. Base plate is offset 1-1/2" and fits carburetors with 5-1/8" airhorn flange. 14" O.D. offset flat base, Chrome plated steel, 5-1/8" flange (sets filter 1-1/2" off carb flange) 85-3540

9" Metal Base Plate 9" O.D. base, Pollished Stainless steel, 7-5/16" flange - 03365 Custom Air Filter Plates K&N's 14" air filter plates are available separately for replacement or special applications. Base plates fit carburetors with 5-1/8" or 7-5/16" airhorn flange. Drop base will not clear all electric choke mechanisms, it may be necessary to space up base plate with a locally available air cleaner spacer.air purifier radon mitigation 14" O.D. drop baseaircon cleaning service paranaque city Chrome plated steel, 5-1/8" flangedaikin air purifier price australia (drops filter 7/8" below carb flange) (drops filter 1-1/4" below carb flange) 14" O.D. flat base (raises filter 9/16" above carb flange)

Nylon reinforced plastic, 7-5/16" flange (raises filter 3/4" above carb flange) 14" O.D. offset flat base, Chrome plated steel, 5 1/8" flange (sets filter 1 1/2" off carb flange) 14" O.D. top plate (center rises 1", stamped with K&N logo) Improve the overall appearance of the engine compartment on your late model Chevrolet-GMC truck and 1968 to 1992 GM vehicles with one of our new chrome air cleaner lids. Each lid comes in a deep luster chrome embossed with the K&N logo. direct replacement lids are an inexpensive way to dress up your engine compartment without disturbing emission control equipment. separately or packaged with an E-1500 filter element to make a complete Pickup (w/single wing nut) V8 Complete Kit With Chrome Top Lid and Replacement Filter (E-1500) 68-92 GM vehicles using 12" o.d. x 3-1/2" h. filter (E-1500) Complete Kit W/Chrome Top Lid and Replacement Filter Chrome Top Lid Only (see CE-1501)

93-95 Chevy/GMC Pickup (w/dual wing nuts) V8 Complete Kit With Chrome Top Lid Only (see CE-1502) 68-95 Chevy/GMC XStream Flow Top LidNot applicable, nor intended for use on emission controlled street or highway vehicles.Lucas Oil Drift Challenge Returns to BG for LS Fest 2016Holley Performance and Midwest Drift Union are once again teaming up to bring the Lucas Oil Drift Challenge back to Beech Bend Raceway for the 2016 Holley LS Fest. Drift teams will arrive throughout the morning and early afternoon on Friday, September 9th amidst the additional action packed segments of LS Fest (drag racing, autocross, dyno challenge, etc.). That evening drift practice will commence at 6:00 p.m. During this time driver's will spend their time getting familiarizing themselves CFD 4150 4 Barrel Air Cleaner Bases And many other quality performance products dealers! Use Firepower Base AC10710 for this style and for tall, flat top choke housings. 1.39" Choke Tower Height.

Use Firepower Base AC10709 for short and flat choke towers. 1.05" Choke Tower Height. holley 4150 air cleaner bases Unlock the true potential of your street or race carburetor! easy power and torque gains Don't do this to yourself! Stop chasing the latest and greatest from people that are not airflow and filtration experts. We have over 70 years of experience designing sophisticated air cleaner systems. R2C's patented CFD bases will outperform every air cleaner base made today. They are extremely strong, will not bend and deflect and seal filters even under the most grueling circumstances.  Firepower CFD bases allow the use of large air filters which are vital for maximum, undisturbed air flow throughout the longest and dustiest of races. Do not be deceived and cause yourself unnecessary issues!  As racers across the world know, the race proven combination of an R2C Firepower CFD base and Pro Series race filter will serve you extremely well in every condition you will encounter!

Months of design evaluation using CFD and flow bench testing, followed by extensive dyno and track tests (now well over 1000 independent pulls!) conducted by the most respected names in race engine and carburetor assembly, have resulted in the best flowing, highest power producing air cleaner bases for Holley 4 barrel race applications. Every application from Stock Cars to unlimited Late Models and Big Block Modifieds have achieved significant gains in power and response/driveability. R2C engineers developed each smooth entry, precision base shape to augment the venturi profile of the popular 4150 series Holley carburetor, resulting in dramatically improved entry profiles, reduced restriction and a much stronger and consistent venturi/booster signal, allowing precision racing carburetors to perform at optimum levels and engines to produce increased power and torque. When used in conjunction with R2C Late Model/Modified air filter configurations, nothing comes close to the performance advantage R2C CFD 4150 4 barrel bases offer racers in applications from Stock cars to the highest horsepower open engines.

Patented Firepower CFD 4150 4 barrel air cleaner bases are offered in three configurations, allowing racers to select the precision contour that maximizes overall performance based on their individual applications. Strong and durable, R2C CFD bases won't dent or deflect, causing filter sealing issues. More Horsepower and Torque than any racing air cleaner base available today! Patented, smooth radius profile entry design makes more power 3 CFD 4150 shaped flow director configurations to choose from Ultra strong, composite Construction - No bending, dents and it runs cooler. Contact your favorite performance parts retailer Modified and Late Model Engines Dirt Modified dyno testing 696 HP using R2C Firepower  CFD 4150 race air cleaner base - w/2 pulls at +18 HP! Excellent power and torque gains throughout the power band. AC10617 CFD 4150 base and R10523 filter is the best combination. 9-14 rear wheel horsepower gains! Racer's: Contact R2C with Technical/Application Questions: