1975 Chevy Impala Performance Engine Parts

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    • (0 reviews)
      # 85237088
      Chevy Impala 1975, 350ci/290 HP Crate 5.7L Engine by Chevrolet Performance®. The 350/290 HP is the most popular GM Performance Parts crate engine because no one can deliver such performance for this kind of value. GM Performance...
      $2,315.48
    • (0 reviews)
      # 85237096
      Chevy Impala 1975, 454ci Crate 7.4L Engine by Chevrolet Performance®. Chevrolet Performance’s 454 HO crate engine is classic in its own time, offering enthusiasts an affordable Big-Block combination with performance specs that...
      $6,102.79
    • (0 reviews)
      # 85237089
      Chevy Impala 1975, CT 350ci Crate 5.7L Engine by Chevrolet Performance®. Chevrolet Performance’s CT350 delivers 350 horsepower from a classic 350 cubic-inch combination. It’s just the thing budget-conscious racers can depend on...
      $3,845.59
    • (0 reviews)
      # 85237092
      Chevy Impala 1975, CT400 Crate 5.7L Engine by Chevrolet Performance®. New Fast Burn heads with Beehive Springs add high-rpm performance and durability!. We’ve added greater high-rpm durability to the CT400 racing engine with new...
      $6,483.36
    • (0 reviews)
      # 85237087
      Chevy Impala 1975, Ram Jet 350ci Crate 5.7L Engine by Chevrolet Performance®. Chevrolet Performance’s unique Ram Jet 350 combines the classic look of the original Rochester mechanical injection system with the dependability and...
      $6,129.13
    • (0 reviews)
      # 85237095
      Chevy Impala 1975, ZZ572/620 Deluxe Crate 9.4L Engine by Chevrolet Performance®. The ZZ572/620 is the ultimate expression of Chevrolet Performance’s engineering capability. We build the ZZ572 with huge 4.560-inch bores and add a...
      $14,630.04
    • (0 reviews)
      # 81623230
      Chevy Impala 7.4L 1975, Big M Engine Block by Dart®, 1 Piece. Includes Main Caps, Main Cap Fasteners, Cam Bearings, Freeze Plugs. With multiple deck heights and bore sizes up to 4.600", the Big M block gives you the versatility to...
      $2,796.43 - $2,887.22
    • (0 reviews)
      # 81601590
      Chevy Impala 7.4L 1975, Big M Full Water Engine Block by Dart®, 1 Piece. Includes Main Caps, Main Cap Fasteners. With deck heights of up to 9.800" and 10.200" and bore sizes of up to 4.310", the Big M Full Water Block gives you the...
      $2,288.00
    • (0 reviews)
      # 81623236
      Chevy Impala 7.4L 1975, Big M Sportsman Engine Block by Dart®, 1 Piece. Includes Main Caps, Main Cap Fasteners. With multiple deck heights and bore sizes up to 4.600", the Big M Sportsman block gives you the versatility to build a...
      $2,314.53 - $2,387.86
    • (0 reviews)
      # 81601466
      Chevy Impala 5.7L / 6.6L 1975, Engine Block by Dart®. Dart has developed a new world of performance for metric 8.1 big block engines. The Gen 7 block has full water jackets between the cylinder bores and has been improved with...
      $2,314.53
    • (0 reviews)
      # 81623314
      Chevy Impala 5.7L / 6.6L 1975, Iron Eagle Engine Block by Dart®, 1 Piece. Includes Main Caps, Main Cap Fasteners, Cam Bearings, Freeze Plugs. Cylinder Bore Diameter: 4.125". We raised the camshaft and spread the oil pan rails to...
      $3,141.74
    • (0 reviews)
      # 81623327
      Chevy Impala 5.7L / 6.6L 1975, LS Next Engine Block by Dart®, 1 Piece. Includes Main Caps, Main Cap Fasteners. Deck Height: 9.240".
      $2,637.18
    • (0 reviews)
      # 81623318
      Chevy Impala 5.7L / 6.6L 1975, Little M Engine Block by Dart®, 1 Piece. Includes Main Caps, Main Cap Fasteners, Cam Bearings, Freeze Plugs. Deck Height: 9.025". The Little M is cast from premium high strength iron and beefed up in...
      $2,898.70
    • (0 reviews)
      # 81601465
      Chevy Impala 5.7L / 6.6L 1975, Little M Pro Engine Block by Dart®, 1 Piece. Includes Main Caps, Main Cap Fasteners, Cam Bearings, Freeze Plugs. Cast from premium high strength iron and reinforced in all critical areas, the Little M...
      $3,979.68
    • (0 reviews)
      # 81623322
      Chevy Impala 5.7L / 6.6L 1975, Little M Sportsman Engine Block by Dart®. Deck Height: 9.025".
      $2,402.61
    • (0 reviews)
      # 81601591
      Chevy Impala 7.4L 1975, Race Series Aluminum Engine Block by Dart®, 1 Piece. Includes Main Caps, Main Cap Fasteners, Cam Bearings, Freeze Plugs. Standard 4.840" or 4.900" spread bore spacing provide large bore capacity. The...
      $6,505.46
    • (0 reviews)
      # 81623246
      Chevy Impala 7.4L 1975, Race Series Tall Deck Iron Engine Block by Dart®, 1 Piece. Includes Main Caps, Main Cap Fasteners, Cam Bearings, Freeze Plugs. Cylinder Bore Diameter: 4.600". Standard 4.840" or 4.900" spread bore spacing...
      $3,588.07
    • (0 reviews)
      # 81623339
      Chevy Impala 5.7L / 6.6L 1975, SHP Engine Block by Dart®, 1 Piece. Includes Main Caps, Main Cap Fasteners. Deck Height: 9.025".
      $1,668.21
    • (0 reviews)
      # 81623344
      Chevy Impala 5.7L / 6.6L 1975, SHP Pro Engine Block by Dart®. Deck Height: 9.025".
      $2,156.46
    • (0 reviews)
      # 83916046
      Chevy Impala 1975, Engine Block by Chevrolet Performance®. The Chevrolet Performance blocks are the right choice for street car rebuilds or to start your own mild engine project. They come in the same dimensions that you are...
      $862.49 - $1,982.39
    • (0 reviews)
      # 100710391
      Chevy Impala 7.4L 1975, Burst Panel Kit by BDS®. Size: 13.320"T X 6.125"W. SFI-23.1. Aluminum. Polished. Designed utilizing the latest technology, this product by BDS features premium quality and will perform better than...
      $109.44
    • (0 reviews)
      # 17637109
      Chevy Impala 1975, Classic Series Valve Covers by Edelbrock®. Edelbrock first made these aluminum valve covers in the late '50s and they're still a classic. Made of heavy-gauge sand-cast aluminum, our classic finned valve covers...
      Made of heavy-gauge sand-cast aluminumAvailable in polished or durable black powder coated finish
      $175.84 - $266.72
    • (0 reviews)
      # 90651157
      Chevy Impala With Small Block 1975, Signature Series Valve Cover Set by Edelbrock®. Designed utilizing the latest technology, this product by Edelbrock features premium quality and will perform better than advertised. Perfect for...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $54.41 - $65.17
    • (0 reviews)
      # 17609655
      Chevy Impala Small Block 1975, Signature Series Valve Covers by Edelbrock®, 1 Pair. Stainless Steel. Engineered for function and styled for good looks, triple chrome-plated Signature Series valve covers have stock-style breather...
      Good looksTriple chrome-plated
      $40.49 - $58.61
    • (0 reviews)
      # 17641925
      Chevy Impala Small Block 400 1975, Victor Series Black Valve Covers by Edelbrock®. Our Victor Series valve covers have a black powder coated finish that features a finely textured surface for a pleasing and unique appearance. This...
      50-state emissions street legalThe finest quality at a great price
      $140.03 - $154.47
    • (0 reviews)
      # 14587104
      Chevy Impala 1975, Engine Valve Cover Set by Comp Cams®.
      $154.51 - $215.69
    • (0 reviews)
      # 92786466
      Chevy Impala 1975, Tall Valve Covers with Brodix Logo by Brodix®, 1 Pair. The Brodix Cast Aluminum Valve Covers feature a stout construction with thick, precision-machined gasket surfaces to ensure a good seal. The covers have a...
      $197.08 - $219.00
    • (0 reviews)
      # 56787230
      Chevy Impala 7.4L With Big Block Chevy Engine 1975, Chrome Valve Covers by Milodon®, 1 Pair. Valve Cover made from Steel. 4-1/4'' Tall. No Baffles. Milodon chrome valve covers are not "just another valve cover". They offer an...
      $71.95
    • (0 reviews)
      # 94986084
      Chevy Impala 1975, Fabricated Aluminum Valve Covers by Milodon®, 1 Pair. These Milodon Fabricated Aluminum Valve Covers have precision bolt notches for maximum clearance for rockers with .400" rails, that are the thickest available...
      $216.40 - $265.37
    • (0 reviews)
      # 102199097
      Chevy Impala 1975, by Mr. Gasket®. Building up a new engine for your ride? Mr. Gasket has the gaskets, fasteners and other internal parts for building a race engine vs. a street motor.
      Mr. Gasket is the first place to look for a gasket set, of courseEngine fasteners don’t have to be black any more - go chrome
      $70.35 - $96.87
    • (0 reviews)
      # 102199442
      Chevy Impala 1975, Valve Cover by Mr. Gasket®. 2 Pieces. Building up a new engine for your ride? Mr. Gasket has the gaskets, fasteners and other internal parts for building a race engine vs. a street motor.
      Mr. Gasket is the first place to look for a gasket set, of courseEngine fasteners don’t have to be black any more - go chrome
      $39.75 - $61.17
    • (0 reviews)
      # 102199377
      Chevy Impala 1975, Valve Cover Set with Baffle by Mr. Gasket®. 2 Pieces. Building up a new engine for your ride? Mr. Gasket has the gaskets, fasteners and other internal parts for building a race engine vs. a street motor.
      Mr. Gasket is the first place to look for a gasket set, of courseEngine fasteners don’t have to be black any more - go chrome
      $117.95 - $181.95
    • (0 reviews)
      # 84343877
      Chevy Impala 1975, Chrome Engine Dress-Up Kit by Proform®. Logo: without Logo. If you are looking to enhance your vehicle's performance, then this top-notch product is definitely what you need. Manufactured from premium quality...
      Carefully designed to improve the performance of your vehicleCrafted from first-rate materials
      $63.94 - $91.71
    • (1 review)
      # 85084439
      Chevy Impala 5.7L / 6.6L 1975, Officially Licensed GM Engine Dress-Up Kit by Proform®. If you are looking to enhance your vehicle's performance, then this top-notch product is definitely what you need. Manufactured from premium...
      Officially Licensed GM ProductsCarefully designed to improve the performance of your vehicle
      $136.35 - $310.39
    • (1 review)
      # 85084469
      Chevy Impala 5.7L / 6.6L 1975, Officially Licensed GM Slant-Edge Valve Cover by Proform®. Material: Die-Cast Aluminum. Officially Licensed GM Product. Sold as One Pair. If you are looking to enhance your vehicle's performance, then...
      Officially Licensed GM ProductsCarefully designed to improve the performance of your vehicle
      $199.04 - $299.07
    • (1 review)
      # 85084490
      Chevy Impala 1975, Officially Licensed GM Tall Style Valve Cover by Proform®. Height: Tall. Material: Die-Cast Aluminum. With Baffles. Officially Licensed GM Product. Sold as One Pair. If you are looking to enhance your vehicle's...
      Officially Licensed GM ProductsCarefully designed to improve the performance of your vehicle
      $88.60 - $297.82
    • (1 review)
      # 85084515
      Chevy Impala 5.7L / 6.6L 1975, Officially Licensed GM Two-Piece Valve Cover by Proform®. Material: Die-Cast Aluminum. 2-Pc Tall Style. Officially Licensed GM Product. Sold as One Pair. If you are looking to enhance your vehicle's...
      Officially Licensed GM ProductsCarefully designed to improve the performance of your vehicle
      $224.36 - $327.12
    • (1 review)
      # 85084522
      Chevy Impala 1975, Officially Licensed GM Valve Cover by Proform®. Sold as One Pair. If you are looking to enhance your vehicle's performance, then this top-notch product is definitely what you need. Manufactured from premium...
      Officially Licensed GM ProductsCarefully designed to improve the performance of your vehicle
      $64.38 - $301.85
    • (0 reviews)
      # 84316001
      Chevy Impala 5.7L / 6.6L 1975, Polished Two-Piece Tall Style Valve Cover without Logo by Proform®. Finish: Polished. Logo Type: without Logo. Material: Aluminum. Without Grommets. 2-Pc Tall Style. Sold as One Pair. If you are...
      Carefully designed to improve the performance of your vehicleCrafted from first-rate materials
      $195.51
    • (0 reviews)
      # 84344132
      Chevy Impala 1975, Valve Cover by Proform®. Finish: Chrome. Material: Steel. Type: with OEM Baffles. Type: without Logos. Without Grommets. Sold as One Pair. If you are looking to enhance your vehicle's performance, then this...
      Carefully designed to improve the performance of your vehicleCrafted from first-rate materials
      $33.28 - $77.44
    • (0 reviews)
      # 92671177
      Chevy Impala 1975, Aluminium Fabriced Valve Cover by PRW®. Vintage racers, competition junkies, and machining enthusiasts trying to save weight: Give your engine the edge. Crafted from 6061-T6 aluminum alloy, these valve covers...
      Machined cutout for aftermarket style racing rocker armsTested under rigorous pressure
      $139.05 - $188.55
    • (0 reviews)
      # 12073739
      Chevy Impala 1975, Valve Cover by Spectre Performance®. Package Quantity: 2. Rooted in racing, Spectre Performance designs and builds every product with the same goal in mind - the best performance in the market proven on the...
      High-tech engine parts for the most power and best performanceThe finest exterior and interior parts for superior appearance and functionality
      $22.03 - $123.41
    • (0 reviews)
      # 91590504
      Chevy Impala 1975, Brushed Aluminum Fabricated Valve Cover by Trans-Dapt®.
      $228.14 - $268.64
    • (0 reviews)
      # 91083276
      Chevy Impala 5.7L 1975, Chrome Valve Cover by Trans-Dapt®. Trans-Dapt offers a wide variety of Durable Chrome finished O.E.M. Style, Custom and C.I.D. logo model valve covers to match the look you are trying to achieve. SHORT...
      $49.54 - $57.33
    • (0 reviews)
      # 91072067
      Chevy Impala 7.4L With Big Block Chevy 1975, Polished Aluminum Fabricated Valve Cover without Holes/Baffles by Trans-Dapt®. Pair. Interior Height (Flange to Top) 3-1/4". Includes: One pair of valve covers and fasteners. (Gaskets...
      $256.24
    • (0 reviews)
      # 91083314
      Chevy Impala 1975, Powder Coated Valve Cover by Trans-Dapt®. Trans-Dapt Performance Products Powder Coated Valve Covers match the factory color, and are ideal for accurate restorations, or as a new look for your Chevy or Ford...
      $90.71 - $139.19
    • (0 reviews)
      # 97264622
      Chevy Impala 1975, Steel Engine Dress Up Kit by Trans-Dapt®. Trans-Dapt Performance Products' Chrome Chevy Engine Dress-up kits are a quick and easy way to turn your ordinary stock engine compartment into a bright, customized piece...
      $233.54 - $302.49
    • (0 reviews)
      # 91190329
      Chevy Impala 7.4L With Big Block 1975, Polished Aluminum Tall Fabricated Valve Covers with Hole by BTP®. Height: 3-1/2". Baffled. Get more out of your engine with this premium part! It ensures long-lasting durability and provides...
      Designed for the most power and maximum performanceRight for your vehicle and lifestyle
      $126.81
    • (0 reviews)
      # 144925944
      Chevy Impala 5.7L / 6.6L With Small Block Chevy Engine 1975, Aluminum Center Bolt Valve Cover by Big End Performance®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art...
      High quality at an affordable priceExpertly made from premium materials
      $115.19
    • (0 reviews)
      # 144936545
      Chevy Impala 1975, Fabricated Aluminum Valve Cover by Big End Performance®. Fabricated from lightweight 3003 H-14, 0.0125" thick aluminum. Tig-Welded to maintain gasket rail flatness and to prevent leaks. Chemically polished...
      High quality at an affordable priceExpertly made from premium materials
      $148.49 - $175.49
    • (0 reviews)
      # 59800655
      Chevy Impala 5.7L / 6.6L With Small Block Chevy Engine 1975, Polished Aluminum Oval Track Valve Cover by Big End Performance®. Highly polished covers with a smooth-finished top. Driver side had two 1 3/8" OD tubes with baffles....
      High quality at an affordable priceExpertly made from premium materials
      $90.71
    • (0 reviews)
      # 59800646
      Chevy Impala 7.4L With Big Block Chevy Engine 1975, Polished Aluminum Valve Cover by Big End Performance®. Highly polished covers with a smooth finished top. No breather holes. Tall valve covers that clear aluminum rocker arms....
      High quality at an affordable priceExpertly made from premium materials
      $109.43
    • (0 reviews)
      # 144936755
      Chevy Impala 1975, Polished Aluminum Valve Cover with Breather Hole by Big End Performance®. Highly polished covers with a smooth finished top. Tall valve covers clear most aluminum rocker arms. Mounting bolts included.
      High quality at an affordable priceExpertly made from premium materials
      $77.48 - $115.19
    • (0 reviews)
      # 144936690
      Chevy Impala 5.7L / 6.6L With Small Block Chevy Engine 1975, Steel Oval Track Valve Cover by Big End Performance®. Stamped steel, tall valve cover. Raw Steel or Zinc plated. 1-1/2" breather tubes.
      High quality at an affordable priceExpertly made from premium materials
      $26.70 - $30.59
    • (0 reviews)
      # 90651148
      Chevy Impala 7.4L 1975, Performer & Performer RPM 454-O Cylinder Heads by Edelbrock®. Designed utilizing the latest technology, this product by Edelbrock features premium quality and will perform better than advertised. Perfect for...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $774.39 - $1,390.08
    • (0 reviews)
      # 17618221
      Chevy Impala 1975, Performer Cylinder Head by Edelbrock®. Single. These heads include adjustable rocker stud and guide plate set-up for use with small block Chevy style adjustable 1.6:1 ratio rockers. The intake flange is...
      Include adjustable rocker stud and guide plate set-upIntake flange is dual-drilled to accommodate early and late model intake bolt patterns
      $599.50 - $1,432.55
    • (0 reviews)
      # 17622045
      Chevy Impala 7.4L Big Block 1975, Performer High-Compression 454-O Cylinder Head by Edelbrock®. Chamber Size: 100cc. Single. These heads include adjustable rocker stud and guide plate set-up for use with small block Chevy style...
      Include adjustable rocker stud and guide plate set-upIntake flange is dual-drilled to accommodate early and late model intake bolt patterns
      $879.48 - $1,326.39
    • (0 reviews)
      # 17638226
      Chevy Impala 1975, Top End Kit by Edelbrock®. Top End Kits have been a huge hit due to their all-in-one-box convenience and "no guesswork" performance appeal. They include an Edelbrock intake, cylinder heads, hydraulic cam &...
      Fast shipping; 1-2 day delivery time regardless of where you're locatedThe finest quality at a great price
      $2,285.25 - $3,135.01
    • (0 reviews)
      # 92771100
      Chevy Impala 5.7L / 6.6L With Small Block Chevy Engine 1975, 11 SP C ASCS Aluminum Cylinder Heads, 215cc Intake Runners, 67cc Chambers, 2.02/1.60 Valve Size, Bare by Brodix®, 1 Pair. The BRODIX Spec. heads are made for tracks...
      $1,534.39
    • (0 reviews)
      # 92786392
      Chevy Impala 7.4L With Big Block Chevy Engine 1975, BB-2 Plus™ Series Aluminum Cylinder Heads by Brodix®, 1 Pair. The BB-2 and BB-2 Plus heads work well with a heavy car and smaller engine (427-509 cu in). The BB-2 has a 305 cc...
      $721.51 - $1,046.18




    Guides & Articles

    • Performance Engine Cooling
      Auxiliary Oil Coolers Keep Engine Oil Temperature Under Control
      You may have seen Performance Engine Oil Coolers for sale on our website or elsewhere, and your first reaction may have been "who needs one of those? Not I." We can't say we blame you if your presumption is that either a) your engine is cooled by liquid antifreeze/coolant, so this thing can't be for you; or b) the word "performance" led you to conclude that hot-rodders are the primary target for these add-ons. In fact, if you tow a trailer, or tend to load up your SUV to the max, or drive at high speeds in very hot summer climes, you just might be the real target customer for an engine oil cooler. Allow us to provide some educational background on motor oil, and the critical roles (plural) it plays. Please read on!
    • Replacement Engine Parts
      Fan Belt? Alternator Belt? Serpentine Belt? Similarities and Differences
      Look up "fan belt" in any modern automotive dictionary, and you'll typically find a definition that reads, "An endless belt used to transmit power from a crankshaft-driven pulley to a pulley driving the fan, alternator, or other engine accessory. It is usually V-shaped in cross section with the point of the V fitting into a groove in the pulley".
    • Replacement Engine Parts
      Timing Gears, Chains And Belts Keep Your Camshaft Correctly Timed!
      Does your ride have timing gears, a timing belt, or a timing chain? Is one better than the other? And perhaps most importantly, do I need to be concerned about the recommendation to replace the timing belt at a certain mileage interval? Welcome to our discussion of "engine timing".
    • Replacement Engine Parts
      Glossary of Engine Internal Parts
      Internal combustion engines are extremely complex and feature a wide array of components that rotate, move up and down, pump, seal, or remain stationary. When repairing or rebuilding your engine, you will come across many different terms when referencing repair manuals and ordering parts. We know it can be confusing, especially when the repair is complex. Even if you are paying a professional to do the work, it’s good to be conversant with the topic. In order to help you understand the terminology of engine components, we’ve created the following glossary, listed in alphabetical order.

    Popular Products

    1975 Chevy Impala Performance Engine Parts Reviews

    Average rating:  5  5 - 7 reviews
    4.5 of 5
    Amazing Turbo
    This product is amazing. It's made of good materials, no shaft play, I am pleased with my new turbo. I've noticed the difference in sound and power, especially when you floor acceleration pedal. Installation was easy. I would highly suggest this product to anyone who is considering it.
    DPosted by D (Brooklyn, NY) /
    Was this review helpful for you? Yes
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    1975 Chevy Impala Models
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