- This valve spring set includes 12 springs that will work with your stock camshaft all the way up to our Stage 2 camshafts.
- See RWA 6411 for the stage 1 cam or the RWA 6412 for the more radical stage 2 grind.
- The RWA 6449 retainer set should also be used with the new valve springs.
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RWA 6477 -
Out of stock
RWA 6110 2.8 V6 Offenhauser aluminum intake manifold is a great upgrade from the stock set up, either street vehicles or performance vehicles. This is a popular choice for the 2.8 Bronco/Ranger and the Mustang II. This set up will perform well on stock or modified engines. It is easy bolt-on horsepower that still gives good gas mileage. We recommend using the RWA 6239 390 cfm 4BBL Holley carb. When installing this intake on a Bronco/Ranger, You will need to use the RWA 6278 thermostat housing. These will be available the first quarter of 2023. -
RWA 6411 stage #1 Camshaft. The stage 1 cam gives a smooth idle as well as a boost in low to mid range power, without sacrificing fuel economy. Please specify the year of your engine when ordering as the cam journal diameters are different in '72-'83 engines than later years. Cam Specs: .425" lift, 260* Advertised duration, 216* duration @.050, 109* lobe center, lash .015" hot. RPM range 2000-5500. Use new lifters RWA 6487 when installing a new cam. We recommend using our valve spring set RWA 6477 and retainer set RWA 6449.- 1972-1983 Small Journal Camshaft .425" Lift, 260* Advertised Duration 216* Duration @.050
- 1984-1986 Large Journal Camshaft .423" Lift, 252* Advertised Duration 210* Duration @.050
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RWA 6412 stage #2 camshaft. The stage #2 V-6 camshaft for the 2.6L/2.8L engines offer a significant power increase from mid range to top end performance. The Stage #2 camshaft is a street / competition grind. We recommend a slightly higher than stock stall on the converter if an automatic transmission is used. Please specify the engine year when ordering, 72-83 has smaller cam journal size than later years. Cam Specs: .448" lift, 264* advertised duration, 228* duration @ .050", 109* lobe center, lash .018" hot. RPM range 2500-6300. New lifters RWA 6487 are required with a new cam. We recommend using our RWA 6477 valve spring set and RWA 6449 steel retainer set.
- 1972-1983 Small Journal Camshaft .448" Lift, 264* Advertised Duration, 228* Duration @.050
- 1984-1986 Large Journal Camshaft .428" Lift, 264* Advertised Druation, 220* Duration @.050
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2.8 V6 9-1 Forged pistons. RWA 6498. The RWA 6498 fit the 2.8 that is found in later Capri's, Mustang II, Rangers and Bronco's. These pistons are manufactured by Wiseco using 4032 forged aluminum. We stock either .020 (3.685) overbore or .030 (3.695) overbore, specify when ordering. Pistons come with pins and retainer clips. Set of 6.- Flat top design
- 1.578" compression height
- 2.677" x .944 pin, full floating design
- 2.0, 2.5, 4.0 ring thickness
- Anti detonation ribs
- Extra oil holes for the wrist pin
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Sale!
RWA6487 2.8 V6 lifter set are manufactured to be direct replacements of the Original equipment. New lifters must be used with new camshafts. You must also use a motor oil that has extra ZDDP, this will help eliminate premature cam lobe wear. Set of 12. -
RWA 6499 piston rings are chrome moly and are designed to be file fitted. We stock may different overbores and ring thickness. -
Sale!
RWA6489 2.8 V6 push rod set is a direct replacement for the stock push rods. These are a high quality aftermarket replacement set. -
RWA 6548 2.8 V6 timing gear set is a all metal design and will outlast the stock fiber type timing gears. These are designed as a stock replacement upgrade -
RWA 6449 Chrome moly steel retainer set (12) are designed to use with our RWA6477 valve springs. This combination is great for the street or competition. Use these for all of our 2.6/2.8 V6 cams. -
RWA 6278 Aluminum thermostat housing is designed to work with the RWA 6110 4bbl Offenhauser intake manifold. This thermostat housing is required when installing the intake manifold on a Bronco/Ranger. It is a cast aluminum machined piece. -
RWA 6239 390 CFM Holley 4 bbl carb is designed to work with RWA 6110 Offenhauser intake manifold.- Gold Dichromate finish for corrosion resistance and classic Holley looks
- Calibrated and Intended for small V-8 or 6 cyl. engines & 2 x 4 streettunnel ram set-ups
- Factory preset electric choke for easy startups
- Vacuum secondaries for use on wide variety of vehicles. Compensate for all vehicle weights, gearing & transmissions to allow smooth opening of secondaries.
- Single feed fuel inlet for easy installation
- Power valve blow-out protection
Barrels 4 Billet Color None Booster Straight Brand Holley CFM 390 Choke Electric Circuit 2 Emission Code 3 Finish Gold Dichromate Fuel Gasoline Fuel Inlet Single Material Zinc Model 4160 Primary Main Jet 51 Primary Power Valve 6.5 Primary Pump Nozzle Size 25 Product Type Carburetor Secondaries Vacuum Supercharged Application No Throttle Bore 1.438 inch