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  • Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.422in O/A Length, 0.3415in Stem
    SKU: 12773-8

    Discover the extraordinary capabilities of Manley Performance Products’ Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted carburetor circle track competitors, these valves are your ticket to unparalleled performance.

    • Ideal for Specialized Applications: Tailored for any application where extreme force and heat resistance is a must including Top Fuel, Funny Car, and Marine Engine applications.
    • Optimized Performance: Swirl polished under head areas and fully machined combustion faces improve airflow and combustion efficiency.
    • Built to Last: Featuring chrome stems and hard tips for exceptional longevity and wear resistance.
    • XH-432 XtremeAlloy: The hallmark of excellence in exhaust valve material construction.
  • Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.454in O/A Length, 0.3715in Stem
    SKU: 11735-8

    Discover the extraordinary capabilities of Manley Performance Products’ Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted carburetor circle track competitors, these valves are your ticket to unparalleled performance.
    Manley Valve – Exhaust, Valve-E/D 1.940,+100
    Manley Valve – Exhaust, Valve-E/D 1.940,+.100.

    • Ideal for Specialized Applications: Tailored for any application where extreme force and heat resistance is a must including Top Fuel, Funny Car, and Marine Engine applications.
    • Optimized Performance: Swirl polished under head areas and fully machined combustion faces improve airflow and combustion efficiency.
    • Built to Last: Featuring chrome stems and hard tips for exceptional longevity and wear resistance.
    • XH-432 XtremeAlloy: The hallmark of excellence in exhaust valve material construction.
  • Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3415in Stem
    SKU: 11741-8

    Discover the extraordinary capabilities of Manley Performance Products’ Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted carburetor circle track competitors, these valves are your ticket to unparalleled performance.
    Manley Valve – Exhaust, Valve-E/D 1.940,+100
    Manley Valve – Exhaust, Valve-E/D 1.940,+.100.

    • Ideal for Specialized Applications: Tailored for any application where extreme force and heat resistance is a must including Top Fuel, Funny Car, and Marine Engine applications.
    • Optimized Performance: Swirl polished under head areas and fully machined combustion faces improve airflow and combustion efficiency.
    • Built to Last: Featuring chrome stems and hard tips for exceptional longevity and wear resistance.
    • XH-432 XtremeAlloy: The hallmark of excellence in exhaust valve material construction.
  • Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3415in Stem
    SKU: 12741-8

    Discover the extraordinary capabilities of Manley Performance Products’ Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted carburetor circle track competitors, these valves are your ticket to unparalleled performance.
    Manley Valve – Exhaust, Valve-BBC E/D 1.940, +100

    • Ideal for Specialized Applications: Tailored for any application where extreme force and heat resistance is a must including Top Fuel, Funny Car, and Marine Engine applications.
    • Optimized Performance: Swirl polished under head areas and fully machined combustion faces improve airflow and combustion efficiency.
    • Built to Last: Featuring chrome stems and hard tips for exceptional longevity and wear resistance.
    • XH-432 XtremeAlloy: The hallmark of excellence in exhaust valve material construction.
  • Manley Chevrolet Big Block Forged Crankshaft - 4.000in Stroke
    SKU: 190170

    Our “Pro Series” 4340 alloy steel crankshafts are available with many value packed and high-performance enhancing features for a wide range of domestic engine applications.

    • Rigorous Quality Assurance: Each crankshaft undergoes stress relief, shot peening, and 100% magnafluxing to meet our stringent quality standards.
    • Lightweight Design, 4340 Non-Twist Forging: Our crankshafts feature a lightweight 4340 non-twist forging, ensuring durability and performance.
    • Enhanced Strength: A multi-step heat treatment process and nitriding enhance the crankshafts’ strength and longevity.
    • Micro-Polished Journals: Large radius journals are micro-polished to reduce friction and enhance performance.
  • Manley Chevrolet Big Block Forged Crankshaft - 4.375in Stroke
    SKU: 190250

    Our “Pro Series” 4340 alloy steel crankshafts are available with many value packed and high-performance enhancing features for a wide range of domestic engine applications.

    • Rigorous Quality Assurance: Each crankshaft undergoes stress relief, shot peening, and 100% magnafluxing to meet our stringent quality standards.
    • Lightweight Design, 4340 Non-Twist Forging: Our crankshafts feature a lightweight 4340 non-twist forging, ensuring durability and performance.
    • Enhanced Strength: A multi-step heat treatment process and nitriding enhance the crankshafts’ strength and longevity.
    • Micro-Polished Journals: Large radius journals are micro-polished to reduce friction and enhance performance.
  • Manley Chevrolet Big Block Forged Crankshaft - 4.625in Stroke
    SKU: 190400

    Our “Pro Series” 4340 alloy steel crankshafts are available with many value packed and high-performance enhancing features for a wide range of domestic engine applications.

    • Rigorous Quality Assurance: Each crankshaft undergoes stress relief, shot peening, and 100% magnafluxing to meet our stringent quality standards.
    • Lightweight Design, 4340 Non-Twist Forging: Our crankshafts feature a lightweight 4340 non-twist forging, ensuring durability and performance.
    • Enhanced Strength: A multi-step heat treatment process and nitriding enhance the crankshafts’ strength and longevity.
    • Micro-Polished Journals: Large radius journals are micro-polished to reduce friction and enhance performance.
  • Manley Chevrolet Big Block Piston Set - 4.500in Bore 1.120in CH, 43.00 CC
    SKU: 697900-8

    Our signature “Platinum Series” pistons feature 2618 alloy forgings, proven cam and barrel skirt profiles, tool steel wrist pins, and moly skirt coatings on select part numbers. Join the ranks of professional engine builders and tuners who rely on Manley pistons for superior performance and durability.
    Manley Piston Set, PIST-4.500/1.120/HD.

    • Chrome Moly Wrist Pins: Premium Chrome Moly wrist pins come standard with our Standard Series Pistons. For select SKUs, we offer wrist pin upgrades to 9310 and Turbo Tuff/DLC alloys, providing additional durability.
    • Unique Fixturing: Manley’s unique fixturing allows for skirt turning and ring groove machining in a single operation, ensuring ultimate ring groove to skirt squareness.
    • Exacting Ring Lands and Grooves: We adhere to strict standards for piston ring lands and grooves, resulting in enhanced ring seal and more power.
    • Cam and Barrel Profiles: Our pistons boast cam and barrel (skirt) profiles that generate substantial power while being gentle on cylinder walls.
    • 2618 Alloy Forgings: We use domestic 2618 alloy forgings, ensuring superior strength and performance.
  • Manley Chevrolet Big Block Piston Set - 4.500in Bore 1.245in CH, 43.00 CC
    SKU: 697600-8

    Our signature “Platinum Series” pistons feature 2618 alloy forgings, proven cam and barrel skirt profiles, tool steel wrist pins, and moly skirt coatings on select part numbers. Join the ranks of professional engine builders and tuners who rely on Manley pistons for superior performance and durability.
    Manley Piston Set, PIST-4.500/1.245/HD.

    • Chrome Moly Wrist Pins: Premium Chrome Moly wrist pins come standard with our Standard Series Pistons. For select SKUs, we offer wrist pin upgrades to 9310 and Turbo Tuff/DLC alloys, providing additional durability.
    • Unique Fixturing: Manley’s unique fixturing allows for skirt turning and ring groove machining in a single operation, ensuring ultimate ring groove to skirt squareness.
    • Exacting Ring Lands and Grooves: We adhere to strict standards for piston ring lands and grooves, resulting in enhanced ring seal and more power.
    • Cam and Barrel Profiles: Our pistons boast cam and barrel (skirt) profiles that generate substantial power while being gentle on cylinder walls.
    • 2618 Alloy Forgings: We use domestic 2618 alloy forgings, ensuring superior strength and performance.
  • Manley Chevrolet Big Block Piston Set - 4.500in Bore 1.270in CH, -20.00 CC
    SKU: 696700-8

    Our signature “Platinum Series” pistons feature 2618 alloy forgings, proven cam and barrel skirt profiles, tool steel wrist pins, and moly skirt coatings on select part numbers. Join the ranks of professional engine builders and tuners who rely on Manley pistons for superior performance and durability.
    Manley Piston Set, PIST-4.500/1.270/ID.

    • Chrome Moly Wrist Pins: Premium Chrome Moly wrist pins come standard with our Standard Series Pistons. For select SKUs, we offer wrist pin upgrades to 9310 and Turbo Tuff/DLC alloys, providing additional durability.
    • Unique Fixturing: Manley’s unique fixturing allows for skirt turning and ring groove machining in a single operation, ensuring ultimate ring groove to skirt squareness.
    • Exacting Ring Lands and Grooves: We adhere to strict standards for piston ring lands and grooves, resulting in enhanced ring seal and more power.
    • Cam and Barrel Profiles: Our pistons boast cam and barrel (skirt) profiles that generate substantial power while being gentle on cylinder walls.
    • 2618 Alloy Forgings: We use domestic 2618 alloy forgings, ensuring superior strength and performance.
  • Manley Chevrolet Big Block Piston Set - 4.500in Bore 1.395in CH, -10.00 CC
    SKU: 696500-8

    Our signature “Platinum Series” pistons feature 2618 alloy forgings, proven cam and barrel skirt profiles, tool steel wrist pins, and moly skirt coatings on select part numbers. Join the ranks of professional engine builders and tuners who rely on Manley pistons for superior performance and durability.
    Manley Piston Set, PIST-4.500/1.395/ID.

    • Chrome Moly Wrist Pins: Premium Chrome Moly wrist pins come standard with our Standard Series Pistons. For select SKUs, we offer wrist pin upgrades to 9310 and Turbo Tuff/DLC alloys, providing additional durability.
    • Unique Fixturing: Manley’s unique fixturing allows for skirt turning and ring groove machining in a single operation, ensuring ultimate ring groove to skirt squareness.
    • Exacting Ring Lands and Grooves: We adhere to strict standards for piston ring lands and grooves, resulting in enhanced ring seal and more power.
    • Cam and Barrel Profiles: Our pistons boast cam and barrel (skirt) profiles that generate substantial power while being gentle on cylinder walls.
    • 2618 Alloy Forgings: We use domestic 2618 alloy forgings, ensuring superior strength and performance.
  • Manley Chevrolet Big Block Piston Set - 4.500in Bore 1.395in CH, -3.00 CC
    SKU: 696100-8

    Our signature “Platinum Series” pistons feature 2618 alloy forgings, proven cam and barrel skirt profiles, tool steel wrist pins, and moly skirt coatings on select part numbers. Join the ranks of professional engine builders and tuners who rely on Manley pistons for superior performance and durability.
    Manley Piston Set, PIST-4.500/1.395/FT.

    • Chrome Moly Wrist Pins: Premium Chrome Moly wrist pins come standard with our Standard Series Pistons. For select SKUs, we offer wrist pin upgrades to 9310 and Turbo Tuff/DLC alloys, providing additional durability.
    • Unique Fixturing: Manley’s unique fixturing allows for skirt turning and ring groove machining in a single operation, ensuring ultimate ring groove to skirt squareness.
    • Exacting Ring Lands and Grooves: We adhere to strict standards for piston ring lands and grooves, resulting in enhanced ring seal and more power.
    • Cam and Barrel Profiles: Our pistons boast cam and barrel (skirt) profiles that generate substantial power while being gentle on cylinder walls.
    • 2618 Alloy Forgings: We use domestic 2618 alloy forgings, ensuring superior strength and performance.
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