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Best Automotive Performance Rocker Arms & Parts

Scorpion Performance 1036 1.5 Ratio Roller Rocker Arm for Small Block Chevy - Pack of 16
Rocker Arm. 3/8 in Stud Mount. Enter your model number to make sure this fits.
Reviews
"These are 1.6 ratio as it states in the lower description."
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Scorpion Performance 1003 1.6 Ratio Roller Rocker Arm for Small Block Chevy - Pack of 16
Rocker Arm. Enter your model number to make sure this fits.
Reviews
"These look great and are well packaged."
"Great, high quality rockers!"
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ARP 134-7201 3/8" Rocker Arm Stud Kit - 16 Piece
ARP 134-7201 Rocker Arm Studs. If you have ever installed a rocker stud into a cylinder head and watched it wobble as it screwed in you knew from the beginning that the rocker geometry was going to be inconsistent all over the place.ARP rocker arm studs are concentric within .005 T.I.R. Enter your model number to make sure this fits.
Reviews
"Great part and even better price no regrets on my choice here."
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Best Automotive Performance Rocker Arm Assemblies

Scorpion Performance 1003 1.6 Ratio Roller Rocker Arm for Small Block Chevy - Pack of 16
Rocker Arm. Enter your model number to make sure this fits.
Reviews
"These look great and are well packaged."
"Great, high quality rockers!"
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Best Automotive Performance Rocker Arm Balls & Fulcrums

Rancho RS6593 Suspension System
For use with Rancho 2.5 inch leaf springs.
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Best Automotive Performance Rocker Arm Nuts & Bolts

ARP 134-7201 3/8" Rocker Arm Stud Kit - 16 Piece
ARP 134-7201 Rocker Arm Studs. If you have ever installed a rocker stud into a cylinder head and watched it wobble as it screwed in you knew from the beginning that the rocker geometry was going to be inconsistent all over the place.ARP rocker arm studs are concentric within .005 T.I.R. Enter your model number to make sure this fits.
Reviews
"Great part and even better price no regrets on my choice here."
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Best Automotive Performance Rocker Arm Pivots

Whiteline KSR206 Rack and Pinion
Whiteline has a worldwide reputation as a leading manufacturer of replacement, enhancement and performance suspension components that deliver significant gains in vehicle balance, steering precision, grip levels and outright driving performance. Enter your model number to make sure this fits.
Reviews
"Pros: -Shipping was fast. -Packaging was great. -These truly do tighten up your steering response. Cons: -No instructions included. -The pictures are deceiving (the bushings I recieved were translucent black or possibly smoke colored, not yellow). Conclusion: I gave this a 4 out of 5 simply because of the lack of instructions."
"I bought this after reading dozens of reviews on various subaru sites."
"Fast delivery and item was exactly as described."
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Best Automotive Performance Rocker Arm Shafts

Harland Sharp S70025K 1.5 Ratio Rocker Arm and Shaft Kit for Small Block Mopar
Rocker ArmHeavy DutyShaft Mount1.50 RatioRoller TipAluminumOrange AnodizeSmall Block MoparKit. Enter your model number to make sure this fits.
Reviews
"excellent product for my small block mopar."
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Best Automotive Performance Pistons & Parts

Proform 66785 Piston Ring Filer Manual
HandPiston Ring Filer Mount the filer to your work bench, position the ring against the stops, and crank the wheel. Enter your model number to make sure this fits.
Reviews
"Don't be fooled, you'll have to put in some time and energy in using this, but the product does exactly what it promises for a lot less money than the automatic setups."
"I recently rebuilt my Porsche engine and needed a ring filer to get the ring gap correct."
"Has a rougher disc than I prefer, but other than that good."
"I needed an inexpensive tool to gap my piston rings for my Model A project car."
"it supposed to be for bigger piston rings."
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Best Automotive Performance Oil Pumps & Parts

Melling 10295 High Pressure Oil Pump
OIL PUMP. Enter your model number to make sure this fits.
Reviews
"Works and performs way better than the stock oil pump I was running."
"This oil pump brought my pressure up significantly at idle and interstate speeds I would definitely buy another if ever needed."
"Fast shipping highly recommended."
"I have never had any issues with Melling pumps and this one is not an exception."
"replaced pump in two trucks now - 2006 & 2007 1500 Chev 5.3."
"Really can't say enough about this pump so far."
"it's gone above and beyond I am so pleased with this pump it gives me more than what I had anticipated thank you."
"Increases idle pressure to 60 psi and 76 psi at 3,500 rpm overall great pump."
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Best Automotive Performance Roller Rockers

Competition Cams 1451-16 Magnum Roller 1.52 ratio, 7/16" Stud Diameter Rocker Arm for Pontiac V8
These Magnum Roller Rocker Arms for Pontiac V8 265-455 applications are the ultimate street rocker. Roller tip reduces friction while stiff design and superior ratio accuracy yields more effective valve lift.
Reviews
"Update: After having installed these following the directions provided (using new pushrods) I fired up my 455. I took off two stars because nowhere in the directions does it state that shorter pushrods are required only that new ones are necessary."
"Great product."
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Best Automotive Performance Engine Valves & Parts

ARP 1543601 Head Bolt Complete Set
High Performance head bolts are available with a reduced wrenching hex or 12 point and wide area flanged head that eliminates the need for valve train removal to facilitate cylinder head retorquing. Enter your model number to make sure this fits.
Reviews
"Worked flawlessly on my 1989 f150 302 rebuild."
"They're bolts, they bolt stuff."
"Excelente product!"
"Cant go wrong with ARP fasteners."
"Great price and availability."
"Awesome product."
"Head bolts for my 67 mustang with a 302 block."
"The box had been opened up but all the bolts were there."
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Best Automotive Performance Timing Parts

Cloyes 9-0753S Timing Kit
Meets or exceeds OEM performance requirements. Enter your model number to make sure this fits.
Reviews
"After tearing into the engine twice to try and diagnose what could be causing the problem after just recently putting in a new timing chain, I figured out the new timing chain was actually the problem."
"Quality product."
"have bought two , good price work good."
"Everything included makes the job done right."
"Perfect, don't forget intake, valve covers, timing chain and water pump seals."
"This kit is the real deal! Make sure you have the cam marks at the top."
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Best Automotive Performance Intake Manifolds & Parts

aFe Power Silver Bullet 46-35002 Jeep Throttle Body Spacer
Silver Bullet throttle body spacer is constructed from precision machined T-6061 billet aluminum and is designed using a serrated/helix design that creates turbulence in air flow at the point just prior entry into the engine. Eliminates annoying whistle found in helix only throttle body spacers.
Reviews
"I'm good with the sound only because I play music while I'm driving."
"Noticely better throttle response when installed with a cold air and exhaust."
"My girl friend says she hers if whining."
"Didn't feel the difference in any power increase but a slight increase in throttle response."
"Used on my Jeep Wrangler along with a few other items to improve fuel economy and seems to be working."
"I installed this spacer along with a K&N Performance Intake Kit on my 2010 Jeep Wrangler Rubicon. So, I drove home, removed the spacer, and the engine idled smoothly once again."
"No noticeable increase in Tory or HP."
"The description does not state that it is for the early jk 3.8 liter that's what it fits it does not fit the 3.6 had to send it back."
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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 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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Best Automotive Performance Push Rods

Competition Cams 77021 Hi-Tech Pushrod Length Checker
For more than 35 years, the COMP Cams(R) mission has never changed: to produce the highest-performing products possible, provide customers with superior service, and to lead the industry in technological development. Enter your model number to make sure this fits.
Reviews
"Works pretty well."
"Makes it easy to find proper push rod length when changing from stock to after market components."
"It is a Pushrod length checker!"
"You can’t tighten it to hold it at the size."
"I do recommend to putting a little teflon tape on the male threads to hold the adjuster in place so it doesn't move around."
"Price was great aswell as delivery was well priced and faster than expected a great product from Comp cams."
"As advertised.. good quality and easy to use."
"Nice quality unit."
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Best Automotive Performance Cam & 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 (."
"Great fit and quality for the price."
"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."
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Best Automotive Performance Engine Oil Pans

Moroso 85474 Universal Air/Oil Separator
Moroso 85474 Universal Air/Oil Separator. Enter your model number to make sure this fits.
Reviews
"I removed the 3/8 brass connectors and substituted 3/8 male thread connectors with 1/2 inch barbs."
"working great for my homemade oil catch can."
"Works amazingly well on a 47 year old Ford 351W."
"Nice part, higher price than others but well designed."
"Gold standard of oil catch cans."
"I think it's one if the best catch cans on the market, good design, larger capacity, easy to drain, nice finish...."
"I installed this on my Honda track car and it works like a charm."
"Very well made oil catch can - what you would expect from the Moroso name."
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Best Automotive Performance Torque Struts

Prothane 7-511 Red Lower Engine Torque Strut
Polyurethane based suspension, driveline and chassis components have been designed as an upgrade to the soft factory rubber components. Enter your model number to make sure this fits.
Reviews
"While I feel the product is a little pricey (FWI black is cheaper than red on Amazon, but on Prothane's site they're the same cheaper price), it's good if you don't feel like making your own."
"Very well made product."
"I's an engine mount that's for sure."
"Tight fit."
"If you have a Z24 or Sunfire GT with the 2.4 liter engine and want ALL the torque that engine produces buy this torque strut....I was in disbelief over how much of a difference it made."
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Best Automotive Performance Push Rod Tubes

Spectre Performance 29942 Red 1.25" x 4' Split Loom
Spectre’s Split Loom Convoluted Tubing is designed to organize and dress up engine compartments. Enter your model number to make sure this fits.
Reviews
"Replaced my loom on my duramax."
"Great item."
"exactly what we were looking for."
"Beautiful , Never really encountered any problems buying."
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Best Automotive Performance Thrust Washers

COMP Cams 3122TB Thrust Bearing
Thrust Bearing, Ford 351C, 429-460. Enter your model number to make sure this fits.
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Best Automotive Performance Dipsticks

B&M 22301 NAG-1 Locking Transmission Dipstick
The B&M NAG-1 Locking Transmission Dipstick was designed to allow for a quick and easy check of the automatic transmission fluid level and quality by the vehicle owner/operator without having to go to the dealership. Rugged knurled and B&M logo engraved locking cap.
Reviews
"Just what every guy or gal needs that has a Chrysler with a HEMI ...was surprised when checking the oil and washer fluid a couple of weeks ago there was just this annoying cap on dip stick tube that said FOR DEALER USE ONLY ...called dealer and can understand they want to make sure you only add OEM fluid as not to void warranty ... heck all I wanted to do was check my fluid level and they wanted me to make an appointment to come in and charge me $49.50 ...no way ... fit perfectly and if and when I need to add proper OEM fluid I will do it myself ... highly recommend and everyone should own a HEMI at least once if or not more times in their life."
"Nice to know the fluid level without having to go to the dealer...Due to it's "newness" the knob was a bit stiff to fully insert in the fill tube where it would lock in place, even with lubricating the "O" ring on the knob."
"simple instructions and easy installation."
"Internet forums are evenly divided on the accuracy vs the factory tool."
"love being able to check my tranny fluid instead of bringing it to a dealer."
"Fits 2013 Dodge charger 5.7."
"Nice item, exact fit, excellent quality."
"In addition to it NOT COMING OUT, it makes my fluid level sensor go on and off randomly, depending on whether I'm accelerating or decelerating."
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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 Superchargers

Kraftwerks (150-05-1331B) Black Edition Supercharger System with Hondata FlashPro Tuning for Honda Civic Si
KraftWerks is proud to introduce its Rotrex-based supercharger system for Honda's 2006-2011 Civic Si. Enter your model number to make sure this fits.
Reviews
"Though not required, I did follow the recommendation of upgrading the clutch and exhaust."
"I quickly found the kit to be missing vital parts."
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Best Automotive Performance Oil Restrictors

Moroso 85605 Air and Oil Separator for Ford Roush Mustang
Moroso 85605. Enter your model number to make sure this fits.
Reviews
"Nice unit mounts way more secure then other simalar units that just flop around in the wind secured by the rubber hoses!!"
"Very very cool In stalled this on a jeep jk."
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Best Automotive Performance Turbochargers

BD Diesel Performance 1045120 Super B Special Turbo Kit
BD Diesel Performance Super B Special Turbo Kits include an adjustable waste gate, all necessary adapters, down pipes, spring-loaded T-bar clamps and turbo feed or drain fittings. Enter your model number to make sure this fits.
Reviews
"fast delivery."
"After seaching several places for this turbo, I found the best price here at Amazon."
"Straight out of the box requires modification and then requires bench testing."
"Takes a little longer to spool up the turbo since its bigger but that's the problem with all bigger turbos."
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Best Automotive Performance Crank Trigger Kits

MSD 8620 Crank Trigger
The MSD flying magnet crank trigger uses four magnets secured in the aluminum trigger wheel that pass by a stationary non-magnetic pick-up to trigger the ignition. Kits feature special brackets and mounting hardware for a variety of engines.
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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 Crankshafts

Scat Crankshafts 9-10526 Cast Steel Crankshaft for Small Block Chevrolet
Exclusive 9000 Series Space Age 9000 Material Precision Ground and Micro-Polished Knife Edged counterwieghts profiled for Ease of Balance Lightening holes in All Rod Throws Straight Shot Oil Holes. Enter your model number to make sure this fits.
Reviews
"Very nice crank shaft.bearings plastigauged at .0015 perfect.I did have rotating assembly balanced.my machinist said crank and scat rods where almost perfect.my pistons where up to 3 grams off.tells you these are high quality.I bought my crank from Amazon warehouse deals.it was a very good deal.New crank for half the cost.you can't even get a crank foreground for that.thanks amazon."
"This I believe is a genuine scat crankshaft and we'll see how it works."
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Best Automotive Performance Engine Mounts

Energy Suspension 4.1122G Motor Mount Set for Mustang
Called "HYPERformance", Energy Suspension's Hyper-Flex is performance polyurethane that delivers an amazing amount of performance to any vehicle that runs with it. Whether domestic or import, front, rear or 4WD, or old or new, all vehicles will achieve that level of performance that has made Energy Suspension the most asked-for name in performance polyurethane suspension components. Hyper-Flex replacement polyurethane components stand up well to contaminants that often destroy rubber and have been engineered to give longer-lasting performance and not compress permanently.
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Best Automotive Performance Push Rod Guide Plates

Isky Racing Cams 200-AGP 5/16" Adjustable Guide Plate
ISKY 200-AGP. Enter your model number to make sure this fits.
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