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Pontiac Stroker Kits Eagle Pontiac 400 and 455 Stroker Kits

Eagle Pontiac 455 Stroker Kit and stock stroke 455 rotating assembly

 

Pontiac 400 and 455 engines make good torque and horsepower, even with a stock stroke crankshaft, but an Eagle Pontiac stroker engine kit will improve the performance of these engines even more. If you are rebuilding a 455 Pontiac and want a stronger rotating assembly, but do not want to go to a stroker crank, we have a stock stroke 455 kit for you in addition to a 455 stroker kit. We offer a Pontiac 400 stroker kit, a 455 Pontiac stock stroke kit and a Pontiac 455 stroker kit. We also offer custom piston options on these basic stroker kits, so if you want something like a different compression ratio piston, or different bore size piston, or both with your kit, we will be happy to take care of that for you. If you want a piston set with different specifications in your stroker engine kit please e-mail us and let us know what you are looking for and we will be happy to get a quote back to you, for your exact application.

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We offer the Pontiac 400 stroker kit, 455 stock stroke and 455 Pontiac stroker kits balanced, or un- balanced if you prefer to have your local machine shop do the balance work for you.

Eagle Pontiac 400 Stroker Kit and Pontiac 455

Eagle Pontiac Engine Kit Contents

Our Eagle Pontiac stroker engine kits offer a great balance of strength, performance, dependability and affordability. Each of these kits includes a Eagle steel crankshaft, ESP 4340 H beam connecting rods, forged flat top pistons with valve reliefs, plasma moly file fit piston rings and Clevite 77 main and rod bearings. The Pontiac stroker kit comes with a crankshaft that is designed to be used as internal balance. The stock stroke 455 Pontiac kit is also intended to be used as an internal balance assembly.

Pontiac 400 Engine Kits

Pontiac 400 461 468 Stroker Kit Street / Strip

Eagle Pontiac 400 Street and Strip Rotating Assemblies

Description of specs and parts included in Street & Strip 400 Pontiac rotating assembly kits

  • Stock Pontiac 400 Specs: 400 standard bore is 4.120, stock stroke is 3.750, stock rod length is 6.625, stock wrist pin size is .9805 
  • CID: Cubic inch displacement of engine
  • Bore: Finished cylinder bore size, in inches that pistons are designed to work in
  • Crankshaft: Eagle cast steel crank, stroke in inches as listed in table
  • Connecting Rods: Eagle I beam, length in inches as listed in table
  • Pistons: Mahle forged flat top, -6cc
  • Compression: Compression ratio with different head chamber cc sizes
  • Notes: Eagle rates these kits for 700hp and less, designed for internal balance

Part numbers with a "B" preceding the part number indicate that the price for that kit includes balancing before shipping to you. Part numbers without the B in the part number must be balanced before installation into your engine.

 

Compression  
CID Bore Size Stroke Rod 75cc 85cc 111cc Kit #
461 4.155 .035 over 4.250 Stroker 6.800 11.0 10.1 8.3 eagle 51400 35
eagle B51400 35
468 4.185 .065 over 4.250 Stroker 6.800 11.0 10.1 8.3 eagle 51400 65
eagle B51400 65

 

Pontiac 400 High Performance Competition and Racing Kits

Eagle 400 Pontiac Competition Rotating Assembly

Description of specs and parts included in Competition 400 rotating assembly kits

  • Stock Pontiac 400 Specs: 400 standard bore is 4.120, stock stroke is 3.750, stock rod length is 6.625, stock wrist pin size is .9805 
  • CID: Cubic inch displacement of engine
  • Bore: Finished cylinder bore size, in inches that pistons are designed to work in
  • Crankshaft: Eagle 4340 forged steel crank, stroke in inches as listed in table
  • Connecting Rods: Eagle 4340 H beam, length in inches as listed in table
  • Pistons: Mahle forged flat top, -6cc
  • Compression: Compression ratio with different head chamber cc sizes
  • Designed for internal balance

Part numbers with a "B" after eag in the part number indicate that the price for that kit includes balancing before shipping to you. Part numbers without the B in the part number must be balanced before installation into your engine.

  Compression  
CID Bore Size

Stroke

Rod 75cc 85cc 111cc Kit #
461 4.155 .035 over 4.250 Stroker 6.800 11.0 10.1 8.3 eagle 51500 35
eagle B51500 35
468 4.185 .065 over 4.250 Stroker 6.800 11.0 10.1 8.3 eagle 51500 65
eagle B51500 65
488 4.155 .035 over 4.500 Stroker 6.800 11.6 10.6 8.7 eagle 51501 35
eagle B51501 35
495 4.185 .065 over 4.500 Stroker 6.800 11.7 10.7 8.8 eagle 51501 65
eagle B51501 65

 


 

Pontiac 455 Engine

Eagle Pontiac 455 468 Stroker Kit & Stock Stroke Pontiac 455 Rotating Assembly

Pontiac 455 463 468 Stroker Kit Street / Strip

Eagle Pontiac 455 Street and Strip Rotating Assemblies

Description of specs and parts included in Street & Strip 455 Pontiac rotating assembly kits

  • Stock Pontiac 455 Specs: 455 standard bore is 4.151, stock stroke is 4.210, stock rod length is 6.625, stock wrist pin size is .9805 
  • CID: Cubic inch displacement of engine
  • Bore: Finished cylinder bore size, in inches that pistons are designed to work in
  • Crankshaft: Eagle cast steel crank, stroke in inches as listed in table
  • Connecting Rods: Eagle 4340 H beam, length in inches as listed in table
  • Pistons: Mahle forged flat top, -5cc w/ 4.210 stroke and -6cc w/ 4.250 stroke
  • Compression: Compression ratio with different head chamber cc sizes
  • Notes: Eagle rates these kits for 700hp and less, designed for internal balance

Part numbers with a "B" after eag in the part number indicate that the price for that kit includes balancing before shipping to you. Part numbers without the B in the part number must be balanced before installation into your engine.

Stock bore is 4.151" stock stroke is 4.210" Compression ratio
w/chamber volume of
 
CID Bore Size Stroke Rod 75.2cc 85cc 111cc Kit #
463 4.185 .034 over 4.210 stock stroke 6.625 11.5 10.5 8.5 eagle 51402 34
468 4.185 .034 over 4.250 stroker 6.800 11.6 10.6 8.6 eagle 51403 34

 

Pontiac 455 463 468 High Performance Competition and Racing Kits

Eagle 455 Pontiac Competition Rotating Assembly

Description of specs and parts included in Competition Pontiac 455 rotating assembly kits

  • Stock Pontiac 455 Specs: 455 standard bore is 4.151, stock stroke is 4.210, stock rod length is 6.625, stock wrist pin size is .9805  
  • CID: Cubic inch displacement of engine
  • Bore: Finished cylinder bore size, in inches that pistons are designed to work in
  • Crankshaft: Eagle 4340 forged steel crank, stroke in inches as listed in table
  • Connecting Rods: Eagle 4340 H beam, length in inches as listed in table
  • Pistons: Forged flat top, -5cc w/ 4.210 stroke and -6cc w/ 4.250 stroke
  • Compression: Compression ratio with different head chamber cc sizes
  • Designed for internal balance

Part numbers with a "B" after eag in the part number indicate that the price for that kit includes balancing before shipping to you. Part numbers without the B in the part number must be balanced before installation into your engine.

  Compression  
CID Bore Size

Stroke

Rod 75cc 85cc 111cc Kit #
463 4.185 .034 over 4.210 stock stroke 6.625 11.2 10.2 8.3 eagle 51502 34
eagle B51502 34
468 4.185 .034 over 4.250 stroker 6.800 11.1 10.2 8.3 eagle 51503 34
eagle B51503 34

We offer many other parts to go along with the 400 and Pontiac 455 stroker kits listed here as well as selling the cranks, rods, pistons, rings and bearings separately. We have far more available than what is on our website so if you need an engine or transmission part that you do not see on our site, please contact us and we will be happy to assist you.

 

 

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