Exhaust Manifold Kit 7.4, 8.1 & 8.2 Liter | Crusader RK028021A

Exhaust manifold kit for 7.4, 8.1L or 8.2L Crusader engines that includes the SAE and metric fasteners to fit all three applications. Crusader Exhaust Manifold Kit 7.4, 8.1 & 8.2 Liter | RK028021A Original equipment Crusader exhaust manifold For Crusader V8 big block 7.4L 454CID and 8.2L 502CID engines and 8.1L 496CID engine Interchangeable between port and starboard side Includes SAE 12 point 3/8-16 bolts for 7.4L and 8.2L engines along with metric 8mm-1.25 bolts for 8.1L engine Heavy duty cast iron casting Painted Crusader blue from the factory Replaces Crusader 98125, 98125B, 98125R & R028021A | Replaces Barr CR-1-98125 | Replaces Sierra 18-1982 | Replaces Osco 8125 Frequent Asked Questions With today’s rising gasoline prices, what octane rating is recommended for Crusader engines? Crusader fuel injected engines are calibrated to operate on 87 octane fuel and maximum performance is obtained when using this fuel. The ignition timing set by the factory requires the use of a high-quality lead free regular gasoline with an octane specification of (R+M/2). ‏What kind of oil should be used in Crusader engines? When the average temperature is above 50 degrees F., use a good quality SAE 15W-40 “SJ”. Below 50, use SAE 5W-30 “SJ” Synthetic oils are not recommended for use in Crusader engines. What is Crusader's policy on the use of Ethanol? This notification addresses the use of ethanol fuels IN CRUSADER ENGINES ONLY. It does not address the use of ethanol fuels in vessel related components such as boat gas tanks, boat fuel lines, boat fuel filters, etc. The boat owner is STRONGLY ENCOURAGED to contact the boat builder regarding the suitability of ethanol fuel usage in their vessel. Ethanol blended fuel rated E10 or less is acceptable to use. Fuels rated higher than E10 SHOULD NOT BE USED. Ethanol fuels rated higher than E10 could potentially damage the engine and/or present an unsafe boating condition. Damage to the engine resulting from the use of ethanol fuel rated higher than E10 is not covered by the warranty. What type of coolant should be used in Crusader engines? Crusader recommends DEX-COOL or any good extended life coolant (pink/orange in color) mixed 50% DEX-COOL to 50% water for engines that have a closed cooling system. More than 50% coolant can contribute to overheating. Do not mix or substitute DEX-COOL with traditional silicated coolant (green in color).

Exhaust Manifold Kit 7.4, 8.1 & 8.2 Liter | Crusader RK028021A

Exhaust manifold kit for 7.4, 8.1L or 8.2L Crusader engines that includes the SAE and metric fasteners to fit all three applications.

Crusader Exhaust Manifold Kit 7.4, 8.1 & 8.2 Liter | RK028021A

  • Original equipment Crusader exhaust manifold
  • For Crusader V8 big block 7.4L 454CID and 8.2L 502CID engines and 8.1L 496CID engine
  • Interchangeable between port and starboard side
  • Includes SAE 12 point 3/8-16 bolts for 7.4L and 8.2L engines along with metric 8mm-1.25 bolts for 8.1L engine
  • Heavy duty cast iron casting
  • Painted Crusader blue from the factory
  • Replaces Crusader 98125, 98125B, 98125R & R028021A | Replaces Barr CR-1-98125 | Replaces Sierra 18-1982 | Replaces Osco 8125
Frequent Asked Questions 

With today’s rising gasoline prices, what octane rating is recommended for Crusader engines?

Crusader fuel injected engines are calibrated to operate on 87 octane fuel and maximum performance is obtained when using this fuel. The ignition timing set by the factory requires the use of a high-quality lead free regular gasoline with an octane specification of (R+M/2).

‏What kind of oil should be uséd in Crusader engines?

When the average temperature is above 50 degrees F., use a good quality SAE 15W-40 “SJ”. Below 50, use SAE 5W-30 “SJ”

Synthetic oils are not recommended for use in Crusader engines. 

What is Crusader's policy on the use of Ethanol?

This notification addresses the use of ethanol fuels IN CRUSADER ENGINES ONLY. It does not address the use of ethanol fuels in vessel related components such as boat gas tanks, boat fuel lines, boat fuel filters, etc. The boat owner is STRONGLY ENCOURAGED to contact the boat builder regarding the suitability of ethanol fuel usage in their vessel.

Ethanol blended fuel rated E10 or less is acceptable to use.

Fuels rated higher than E10 SHOULD NOT BE USÉD.

Ethanol fuels rated higher than E10 could potentially damage the engine and/or present an unsafe boating condition. Damage to the engine resulting from the use of ethanol fuel rated higher than E10 is not covered by the warranty.

What type of coolant should be uséd in Crusader engines?

Crusader recommends DEX-COOL or any good extended life coolant (pink/orange in color) mixed 50% DEX-COOL to 50% water for engines that have a closed cooling system. More than 50% coolant can contribute to overheating. Do not mix or substitute DEX-COOL with traditional silicated coolant (green in color).

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Immediate payment is required upon selecting "Buy It Now" or upon checking out through the cart.

We accept payment via U.S. PayPal accounts and all Major Credit Cards, Debit Cards & Google Pay.

We are legally required to collect sales tax in those states and localities where we maintain a physical presence (nexus).

The applicable amount of sales tax charged to an order will be calculated based on the shipment destination's state and local sales tax laws.

Thank you for shopping with us on eBay!

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