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Best Automotive Performance Engine Head Bolt Sets

ARP 250-4203 Head Stud Kit
Cylinder Head Studs, Pro Series, 12-Point Heads, Ford, 6.4L Diesel, Kit. Enter your model number to make sure this fits.
Reviews
"Cheapest price you will find on these."
"Very good quality product."
"Fast shipping."
"Expensive, but did the job."
"good product have used them on several motors."
"Holding the heads down down."
"Great price and quick shipping."
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ARP 134-1102 Header Bolt Kit
ARP 134-1102 Header Bolt Kit. Enter your model number to make sure this fits.
Reviews
"Top quality, nice washers to distribute the force, secured kooks headers to my cts-v. longer and overall better looking bolt than the cheap kit used previously."
"excellent quality."
"Highest quality fastener you can buy."
"had to replace the header gaskets so decided to go with new bolts while they're off."
"Great bolts, by a great company, wouldn't expect anything less."
"I Love these's bolt's thank you."
"Used these to replace the broken header bolts on my '03 2500HD 6.0."
"Well made product just like other ARP products."
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ARP 3302802 Pro Series Flywheel Bolt Kit
Chevy LS1 M11 flywheel bolt kit11mm x 1.5" Set of 6 bolts. Enter your model number to make sure this fits.
Reviews
"I’ve used ARP bolts in the past and they were very good quality, these were no exception."
"Great bolts."
"Installed and still good one month later, much preferred over the stock bolts."
"Worked great with ACT light weight flywheel."
"good stuff, big thumbs up!"
"Refer to the Website for wrench sizes as there is no real standard that I've found."
"Professionally handled with legible writing on what the part is used for."
"Received them fast and they're great."
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Best Automotive Performance Engine Cylinder Heads

Edelbrock 5089 Cylinder Head
Cylinder Head Specifications: Combustion chamber volume: 70cc / 64cc; Intake runner volume: 185cc; Exhaust runner volume: 60cc; Intake valve diameter: 2.02"; Exhaust valve diameter: 1.60"; Valve stem diameter: 11/32"; Valve guides: Manganese bronze; Deck thickness: 9/16"; Valve spring diameter: 1.460"; Valve spring maximum lift: .550"; Rocker stud: 3/8" with guide plate; Guideplate: Hardended steel; Pushrod diameter: 5/16"; Valve angle: 23°; Exhaust port location: Stock; Spark plug fitment: 14mm x 3/4 reach, gasket seat * Use with Hydraulic Flat Tappet Camshafts .550" max lift. Entry Level Street Performance Upgrade.
Reviews
"the labor cost alone to have my oem heads rebuilt was the same as the total cost of Edelbrock e street aluminum heads complete with springs, valves , guides, seats, seals etc ready to bolt on within 10 min of recieving them from amazon , with free S & H at almost half the WT of stock heads and capable of more HP then OEM the choice was easy."
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Best Automotive Performance Engine Lifters

Elgin Industries HL2148S Engine Hydraulic Tappet
This listing is for a Chevy Pontiac Buick & Oldsmobile set of sixteen (16) Elgin (USA-manufacturer) hydraulic roller lifters for various 1987-2007 Chevrolet small block V-8 engines ( with factory roller block) WITHOUT Active Fuel Management (AFM). Enter your model number to make sure this fits.
Reviews
"After the oil warmed up, rev'd the engine a little, now nice and quiet."
"everything was there and works great !"
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Best Automotive Performance Engine Dowel Pins

Lakewood 15907
They slip into the engine block dowel pin holes with ease, and are designed to be turned easily with an open-end wrench. Once it's pointed in right direction, turn the set screw to tighten.
Reviews
"The set screws and wrench were NOT included."
"Works good perfect for dialing in bell housing."
"Worked well to correct a factory alignment problem."
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Best Automotive Performance Engine Rev Limiters

MSD 8728 Soft Touch Rev Limiter
The soft touch rev control, PN 8728, is designed to be used on standard points ignition or inductive ignition systems. Enter your model number to make sure this fits.
Reviews
"Very happy with my purchase."
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Best Automotive Performance Engine Lifter Kits

GM Parts 12499225 Hydraulic Roller Lifter for GM LS Series, Pack of 16
GM 12499225. Enter your model number to make sure this fits.
Reviews
"I tried the engine flush, and brake clean down the push tube tricks, but it didnt work so i had to replace the lifters,These have a bigger oil hole than the stock ones, only have about 300 miles on them at time of this review but they are working good."
"These are LS7 lifters, great quality and they get rid of the GM 5.3 tick."
"This is a set of #16 lifters (AC Delco); Correct GM replacements for Vortec 5.7 (L31) engine; Flat shoulder around the roller; Original lifters have slope-shoulder, providing more clearance for cam lobe, unnecessary for near stock application (."
"Don't recommend with cams with over a .620 lift as I had a friend to have two sets fail within a year."
"The new LS engine lifters."
"Very well made and a good price."
"Brand new ls7 lifters working great."
"These are true LS7 lifters bought in bulk and resold by another company."
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Best Automotive Performance Engine Woodruff Keys

Stellar HF500 Hands-Free Vehicle Immobilizer
Your starter circuit is enabled when you're inside the car and disabled when you exit the vehicle.
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Best Automotive Performance Engine Main Bearings

Sealed Power 7298MA Main Bearing Set
Sealed Power parts provide innovative designs, use leading-edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today's modern engines. Enter your model number to make sure this fits.
Reviews
"all perfect."
"just what he needed to rebuild his engine."
"Quality made part and engine hold 40 psi at idle."
"I have always used Sealed Power (Federal Mogul) and I have never had a set fail me."
"One of the bearing halves came out of "so called separation partition and the bearing surface got scuffed making it useless."
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Best Automotive Performance Engine Harmonic Balancers

Proform 66515 Harmonic Balancer Installation Tool
Proform Harmonic Balancer Installation Tools are used for installing the harmonic balancer. Used for installing the harmonic balancer.
Reviews
"Some answer said fit to my 2000 pontiac GP. Harmonic balancer, that why I purchased."
"Awesome tool one side for sbc other for bbc."
"every mechanic need going to need one of these as you rebuild engines."
"Very Nice Tool."
"Worked well."
"Does exactly what it is supposed to do."
"Great for the need but was not applicable for my vehicle!"
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Best Automotive Performance Engine Expansion Plugs

Mr. Gasket 6481 Brass Freeze Plug Kit
Mr. Gasket Brass Freeze Plug Kits are designed to rust out the frozen plugs. Designed to set the exact placement between the fan and the radiator.
Reviews
"great quality...complete kit for replacement."
"A very good quality product to use on an engine block."
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Best Automotive Performance Engine Oil Drain Plugs

Fumoto F-106N Engine Oil Drain Valve
Incorporating Fumoto's most compact ball valve, Fumoto's FN series valves are designed to fit cars, light trucks, vans and select commercial engines. Ideal for drawing small sample of oil for oil analysis.
Reviews
"I put one on my old car back in 2008 and after 207,000 miles, I got rid of the car and sadly my Fumoto went with it. I loved the one on my old car so much, I bought this one for my new car. - No Mess - Putting a hose on the end made it easy to direct the oil into the oil catch container."
"The lever is designed spring loaded and keyed so it can't simply swing open and start dumping oil. Attaching a hose prevents splashing of scolding hot engine oil."
"On the 2001 Suburban [with a 5.3 liter V8], the threads on the oil drain required adding an extra gasket so the Qwik Valve would be oriented with it's release tab away from the ground. [see pics for right and wrong orientations; pix are from a '95 Saab 9000 Aero] If you prefer a longer, brass adapter for the Suburban, there is one available: Fumoto Valve Adapter ADP-107 (12mm-1.75) The Quik Valve folks are aware of potential issues with low ground clearance, especially if you're off-roading or four wheeling, so they do sell a clip that provides an extra measure of 'lock' on the tab to keep it from pivoting open if you snag a branch, etc. You simply reach the small locking tab, pivot it up slightly, then rotate it toward the drain port [approx 90 degrees] and the oil will flow. This is not a factor with the QuikValve fitting: when you rotate the tab, the brass and stainless steel sleeve pivots [looks like it's inside a nylon bushing] to open a good sized hole, approx 5/16"."
"I did my first oil change yesterday since i installed the valve and wow it made my whole process so much faster and easy!"
"To general a fit, should be model specific because of oil pan clearances."
"I had the last oil change service install it instead of putting the plug back in."
"Perfect for diy oil changes such as myself."
"This drain valve makes oil changes cleaner."
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Best Automotive Performance Engine Balance Shaft Parts

Clevite SH1469S Engine Balance Shaft Bearing Set
CAM BEARINS. Enter your model number to make sure this fits.
Reviews
"They are the right size bearings for the balance shafts and matches up well vs. the DNJ bearings I wasted 25.00$ on."
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Best Automotive Performance Engine Camshafts & Parts

Ford Racing (M-6004-463V) Camshaft Drive Kit for Ford 4.6L 3V Engine
Camshaft Drive Kit. Enter your model number to make sure this fits.
Reviews
"I have the 5.4 3v and the phasers and tensions work perfectly."
"all parts are stamped with ford oem numbers and fit my 3 valve 4.6 perfect."
"Genuine Ford Racing parts for a fraction of the price at the dealer."
"Great product at a fraction of the cost from dealership."
"This kit is great it includes everything you need except valve cover gaskets."
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Best Automotive Performance Engine Expansion Plug Kits

Skunk2 649-05-0115 Valve Cover Washer
Skunk2 is proud to introduce the most unique, low-profile dress-up hardware you've ever seen. Enter your model number to make sure this fits.
Reviews
"What I needed to complete my engine bay."
"On time shipping and a lot better than competitor washers."
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Best Automotive Performance Engine Crankshaft Pulleys

Steeda 7010005A Underdrive Pulley Kit for Mustang 05
Steeda is the leader in underdrive pulley design for the 4.6L engines. Steeda's underdrive pulleys are the only pulleys engineered through our unique partnership in Ford's technology transfer program to have the proper torsional vibration dampening characteristics for your 4.6L engine. Product Benefits: - Tuned to the Proper Frequency of the 4.6L Engine - Reduced Accessory Parasitic Drag - Increased Rear Wheel Horsepower - Increased Gas Mileage - Smooths Out Engine Vibration. Enter your model number to make sure this fits.
Reviews
"nice product i felt some more power , installed within 2 hrs approx and the quality seems good , but you have to replace or cut the alternator screw."
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Best Automotive Performance Connecting Engine Rods & Parts

Clevite 77 MPG1 Plastigage Green Each
CLEVITE MPG1 Plastigage. Enter your model number to make sure this fits.
Reviews
"Turns out the plastiguage material is in side the ruler."
"I use it every time I assemble an engine, to check the bearing clearances on both the rods and the mains."
"Been using this for years."
"picture showed 12 pieces only got 1 paid 6.07 could have bought 2 at auto supply rip off."
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