1977 Mercury Cougar Valves & Valvetrain Parts
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Lunati®Voodoo™ Aluminum Roller Rocker ArmMercury Cougar 1977, Voodoo™ Aluminum Roller Rocker Arm by Lunati®. Get some serious horsepower with an outlaw attitude by upgrading to this performance engine part from Lunati. Built with a rich heritage of precision engineering and...Extruded aircraft quality aluminum, CNC machined to precise tolerancesSuperfinished surface increases durability and sheds oil$32.42 - $460.89 - PCE®Rocker Arm SetMercury Cougar 5.0L 1977, Rocker Arm Set by PCE®. This product is made of high-quality components to meet and exceed strict quality requirements. Designed using state-of-the-art technology and with customers in mind. It will meet your...Rated 750 lbs. open spring pressureInternal oiling system for long-lasting performance$204.00 - $327.80
- PRW®Extruded Rocker ArmMercury Cougar 1977, Extruded Rocker Arm by PRW®. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality, performance and reliability. Designed to provide a...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$27.87
- PRW®Pro Series Stud Mount Rocker ArmMercury Cougar 5.8L / 6.6L 1977, Pro Series Stud Mount Rocker Arm by PRW®. PRW Pro Series Stainless Steel Rocker Arms incorporate an exceptional design that provides plenty of clearance for large diameter springs. These stud mount...Lightweight designPRW RockerLocs included$301.41
- PRW®Push Rod Guide PlatesMercury Cougar 5.0L / 5.8L 1977, Push Rod Guide Plates by PRW®. PRW Pushrod Guide Plates are heat-treated steel alloy and a must have for todays high performance engines. Guide plates reduce the unwanted sideways motion of the pushrod...Made from heat-treated steel alloyBlack oxide coated to resist corrosion$30.64 - $32.68
- PRW®Rocker Shaft StandMercury Cougar 6.6L 1977, Rocker Shaft Stand by PRW®. Designed utilizing the latest technology, this product by PRW Industries features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$75.60
- PRW®Sportsman™ Rocker ArmMercury Cougar 5.0L / 5.8L 1977, Sportsman™ Rocker Arm by PRW®. Designed utilizing the latest technology, this product by PRW features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it...Made with precision and quality in mindDesigned to meet your specific needs$15.34
- SBI®Intake/Exhaust 5/16 Rocker Arm NutMercury Cougar 5.0L / 5.8L Windsor Engine 1977, Intake/Exhaust 5/16 Rocker Arm Nut by SBI®. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality,...Made with precision and quality in mindDesigned to meet your specific needs$0.56
- SBI®Intake/Exhaust Rocker Arm BallMercury Cougar 5.0L / 5.8L Windsor Engine 1977, Intake/Exhaust Rocker Arm Ball by SBI®. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality, performance...Made with precision and quality in mindDesigned to meet your specific needs$0.61
- SBI®Push RodMercury Cougar 1977, Intake/Exhaust Push Rod by SBI®. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality, performance and reliability. Designed to...Made with precision and quality in mindDesigned to meet your specific needs$2.20 - $2.36
- SBI®Rocker ArmMercury Cougar 1977, Rocker Arm by SBI®. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality, performance and reliability. Designed to provide a perfect...Made with precision and quality in mindDesigned to meet your specific needs$9.51 - $10.18
- SBI®Rocker Arm FulcrumMercury Cougar 1977, Intake/Exhaust Rocker Arm Fulcrum by SBI®. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality, performance and reliability....Made with precision and quality in mindDesigned to meet your specific needs$1.10
- SBI®Rocker Arm KitMercury Cougar 1977, Intake/Exhaust Rocker Arm Kit by SBI®. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality, performance and reliability. Designed to...Made with precision and quality in mindDesigned to meet your specific needs$10.92 - $13.49
- SBI®Valve GuideMercury Cougar 1977, Intake/Exhaust Valve Guide by SBI®. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality, performance and reliability. Designed to...Made with precision and quality in mindDesigned to meet your specific needs$1.46 - $1.61
- SBI®Valve KeeperMercury Cougar 1977, Intake/Exhaust Valve Keeper by SBI®. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality, performance and reliability. Designed to...Made with precision and quality in mindDesigned to meet your specific needs$0.44 - $0.61
- SBI®Valve Seat InsertMercury Cougar 1977, Valve Seat Insert by SBI®. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality, performance and reliability. Designed to provide a...Made with precision and quality in mindDesigned to meet your specific needs$2.93 - $7.81
- SBI®Valve SpringMercury Cougar 1977, Intake/Exhaust Valve Spring by SBI®. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality, performance and reliability. Designed to...Made with precision and quality in mindDesigned to meet your specific needs$2.75 - $4.22
- SBI®Valve Stem SealMercury Cougar 1977, Intake/Exhaust Valve Stem Seal by SBI®. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality, performance and reliability. Designed...Made with precision and quality in mindDesigned to meet your specific needs$0.60 - $0.70
- Lunati®Bushed Mechanical Roller Lifter SetMercury Cougar 5.0L / 5.8L Windsor Engine 1977, Bushed Mechanical Roller Lifter Set by Lunati®. Lunati Bushed Mechanical Roller Lifters add a robus t bushing option in place of needle bearings. These forgiving components are designed so...High quality at an affordable priceExpertly made from premium materials$1,198.56
- Lunati®HVL Vacuum™ Hydraulic Flat Tappet LifterMercury Cougar 1977, HVL Vacuum™ Hydraulic Flat Tappet Lifter by Lunati®. Get some serious horsepower with an outlaw attitude by upgrading to this performance engine part from Lunati. Built with a rich heritage of precision...Provide improved low-end torque, engine vacuum and idle qualityTypical vacuum increases between 3-5 inches at idle when paired with larger cam$18.05 - $232.67
- Lunati®Hydraulic Race Flat Tappet LifterMercury Cougar 1977, Hydraulic Race Flat Tappet Lifter by Lunati®. Get some serious horsepower with an outlaw attitude by upgrading to this performance engine part from Lunati. Built with a rich heritage of precision engineering and...High quality at an affordable priceExpertly made from premium materials$17.61 - $125.12
- Lunati®Hydraulic Roller Lifter SetMercury Cougar 5.0L / 5.8L Windsor Engine 1977, Hydraulic Roller Lifter Set by Lunati®. High RPM Hydraulic Roller Lifters are designed for extreme street and all out racing applications. At over 6500 RPM, the hydraulic internals of a...High quality at an affordable priceExpertly made from premium materials$1,084.03
- Lunati®Replacement™ Hydraulic Roller Lifter SetMercury Cougar 5.0L / 5.8L With Ford small block Windsor Engine 1977, Replacement™ Hydraulic Roller Lifter Set by Lunati®. Performance replacements for stock hydraulic roller lifters, the Lunati OEM Replacement Hydraulic Roller...High quality at an affordable priceExpertly made from premium materials$216.04
- Lunati®Rocker Arm Stud Girdle KitMercury Cougar 1977, Rocker Arm Stud Girdle Kit by Lunati®. Get some serious horsepower with an outlaw attitude by upgrading to this performance engine part from Lunati. Built with a rich heritage of precision engineering and...High quality at an affordable priceExpertly made from premium materials$241.91 - $657.10
- Lunati®Solid/Mechanical Flat Tappet LifterMercury Cougar 1977, Solid/Mechanical Flat Tappet Lifter by Lunati®. Get some serious horsepower with an outlaw attitude by upgrading to this performance engine part from Lunati. Built with a rich heritage of precision engineering and...High quality at an affordable priceExpertly made from premium materials$25.98 - $251.86
- PRW®PQX™ Shaft Mount Rocker Arm SystemMercury Cougar 5.0L / 5.8L Windsor Engine 1977, PQX™ Shaft Mount Rocker Arm System by PRW®. Designed utilizing the latest technology, this product by PRW features premium quality and will perform better than advertised. Perfect for...Made with precision and quality in mindDesigned to meet your specific needs$93.14
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1977 Mercury Cougar Models
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