Individual Round Style(Sold individually unless specified otherwise) |
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“Early Type” Fuel Injectors (Single Stacks) for Chevrolet, Etc.
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| Filters designed to fit with cut velocity stacks, or straight pieces of exhaust tubing. Rubber filter bases come with molded in velocity stack type radius and step, for smooth bore down from element to tube. Each filter has a rubber top with a stamped K&N logo. |
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Air Filter
Injector Air Filter
Part # Part #
Mounting Flange Bore Size
Diameter x Length
Straight Neck 5? Angle Neck
Inside Diameter Inside Diameter In Inches
Mounting Flange Mounting Flange
1-7/8" (47.5mm) 1-13/16" (46mm) 3-1/2 x 4
RD-0450 N/A
3-1/2 x 5 RD-0460
N/A
3-1/2 x 6 RD-0470
N/A
2-1/8" (54mm) 2-1/16" (52.5mm) 3-1/2 x 4
RD-0500
RB-0500
3-1/2x 5 RD-0510
RB-0510
3-1/2 x 6 RD-0520
RB-0520
2-1/4" (57mm) 2-3/16" (55.5mm) 3-1/2 x 4
RD-0600
RB-0600
3-1/2 x 5 RD-0610
RB-0610
3-1/2 x 6 RD-0620
RB-0620
2-1/2" (63.5mm) 2-7/16 (62mm) 3-1/2 x 4
RD-0700
RB-0700
3-1/2 x 5 RD-0710
RB-0710
3-1/2x 6 RD-0720
RB-0720
2-5/8" (66.5mm) 2-9/16" (65mm) 4 x 4
N/A
RB-0800
4 x 5
N/A
RB-0810
3" (76mm) 2-15/16" (74.5mm) 4-1/2 x 4
N/A
RB-0900
4-1/2 x 5 N/A
RB-0910
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Kinsler Non-Siamesed Fuel Injector Stacks
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Round filters fit uncut ram tube bells and clamp securely to the lip. Will fit any injection setup that has a minimum of 4-1/4" center to center, and parallel ram tubes. Each filter has a rubber top with a stamped K&N logo.
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Ram Tube Filter Size
Injector Model # Part # Single
3-7/8" 4-1/4"B,4"T,6"H N/A
RD-6000
3-5/8"
“351-F-8” RD-6010
3-7/8"
N/A
RD-6020
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Hilborn 4, Injectors Fitted to Honda and Kawasaki Engines in T.Q. Midgets
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Air filters designed to fit over stock, uncut ram tubes. Filters come complete with rubber mounting adapters. To install, fit rubber adapters around ram tube bases and fit filters over ram tubes and clamp onto adapters in desired position. Air filters come with chrome end caps. Fits #45-K-4A and #45-H-4B Hilborn injectors and are packaged in sets of four.
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RD-1004
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Filters measure 3" O.D. x 6"L and fit 1-1/2" Ram Tubes. Set of four
RD-1004 |
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Hilborn Injectors for Blowers and Turbos
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Air filters designed to fit over stock, uncut ram tube. Filter comes complete with rubber mounting adapter. To install, fit rubber adapter around ram tube base. On early screw-on ram tube type, cut adapter with razor blade and wrap around tube. Fit filter over ram tube and clamp onto adapter in desired position. Air filters come with chrome end caps.
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Hilborn Injector #525, for Magnuson Super Chargers. Used on Harley Davidson and
V.W. blown engines. Filter fits 2-1/8" ram tube. Measures 6" dia. top, 5-1/2" dia. base, 6" long
RD-1100
Hilborn Injector #523, for 60 c.i. Magnuson Blower Head. Filter fits 2-1/2" ram tube.
Measures 7" dia. top, 7" dia. base, 6" long
RD-1200
Hilborn Injector #524, for 80 c.i. Magnuson Blower Head. Filter fits 3" ram tube.
Measures 7" dia., 6" long.
RD-1300
Hilborn Injector #F414A, for Turbocharged tractor, air filter clamps over 4" lip on
cast ram tube. Air filter measures 7" dia., 6" long
Rubber mounting adapter not required. Filter mounts directly to
injector RD-1400
Hilborn Injector #F414A, for Turbocharged tractor, air filter clamps over 4" lip on
cast ram tube. Air filter measures 7" dia., 8" long
Rubber mounting adapter not required. Filter mounts directly to
injector RD-1410
Dual Oval Style |
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“Late Type” Hilborn Siamese Stacks
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| Filters are designed to be used with stock, uncut, siamesed ram tubes. Comes with
removable aluminum top plate. To install, push Ram Tubes through rubber base and clamp at desired height. Oval top plate measures 9"L x 5-1/2"W, total height is 6-3/4". |
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RD-4600
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Injector Center to Center
Injector Tube Injector
Model Measurement
Outside Diameter Inside Diameter Number
of bores Part #
2-1/8" (54mm) 2-1/16" (52.5mm)
“R” 2.44"
RD-4200
2-1/4" (57mm) 2-3/16" (55.5mm)
“Q” 2.44"
RD-4400
2-1/2" (63.5mm) 2-7/16" (62mm)
“P” 2.70"
RD-4600 *
2-5/8" (66.5mm) 2-1/2" (63.5mm) “327-C-84”
2.70" RD-4650
2-3/4" (70mm) 2-5/8" (66.5mm) “327-C-8”
2.87" RD-4669 **
3" (76mm) 2-15/16" (74.5mm)
“F” 3.20"
RD-4800
3-1/8" (79.4mm) 3" (76mm)
“396-C-8M” 3.20"
RD-4850
* Adapter kit needed to convert the air cleaner when equipped with 2-1/4" restrictor stacks is #
85-4600, and kit includes 8 adapters.
** Packaged four per box. When ordering singles specify #RD-4660 right side or
#RD-4670 left side.
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Kinsler- Siamese Stacks
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| These air filters are designed for use with the Kinsler fuel injection system for Pontiac and Chevrolet small block V8.
Air filters come with removable top plate, to install, push injector tubes through rubber base and clamp at desired height.
Oval top plate is 9"L x 5-1/2"W. Total height of air filter is 6-3/4". |
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RD-5020
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Injector Center to Center
Injector Tube Injector
Model Measurement
Outside Diameter Inside Diameter Number
of bores Part #
2-5/16" (58mm)
2-3/16" (55.5mm) N/A
2.80" RD-5000
2-3/8" (60mm) 2-1/4" (57mm)
N/A
2.80" RD-5000
2-9/16" (65mm) 2-7/16" (62mm)
N/A
2.80" RD-5010
2-5/8" (66.5mm) 2-1/2" (63.5mm)
N/A
2.80" RD-5020 |
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“Late Type” Hilborn and Other Injectors for
V.W. Air-cooled Engines
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| Air filters designed to fit over stock, uncut ram tubes. Comes with removable aluminum top plate. To install, push ram tubes through rubber base and clamp at desired height. Oval top plate measures 9"L x 5-1/2"W, total height is 6-3/4". |
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RD-3400
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Air Cleaner
Injector Hilborn
Center to Center
Mounting Flange Bore Size
Model Measurement
Inside Diameter Inside Diameter Number
of bores Part #
1-3/4" (44.5mm) 1-11/16" (43mm) #1600 V-4 3.312"
RD-3400
1-7/8" (48mm) 1-13/16" (46mm)
31600 V-4B 3.312"
RD-3500
2-1/8" (54mm) 2-1/16" (52.5mm) #2000 V-4
3.375" RD-3600
1-3/4" (44.5mm) 1-11/16" (43mm) ARPM Rotary F/I
2.700" RD-4900 |
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“Early Type” Hilborn and Other Injectors for
V.W. Air-cooled Engines
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Air filters designed to fit over stock, uncut ram tubes. Fits early type tubes with right angle mounting flange, held on with four screws. Cleaners come complete with rubber mounting adapters. To install, cut adapter with a razor blade and wrap around ram tube. Drop one-piece filter over ram tubes and clamp onto adapters in desired position. Oval top plate measures
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RD-3200
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Air Cleaner
Injector Hilborn
Center to Center
Mounting Flange Bore Size
Model
Measurement
Inside Diameter Inside Diameter Number
of bores Part #
1-3/4" (44.5mm) 1-11/16" (43mm) (Early)1600 V-4 3.312" RD-3200
These filters are legal ONLY for racing
vehicles. Not applicable, nor intended for use on emission controlled
street or highway vehicles. |