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4.6 Ford Modular
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PLATINUM SERIES LIGHTWEIGHT PISTONS - learn more about pistons
Manley pistons are machined of high strength 2618 material. Each design is lightweight yet robust enough to deliver long service life. Perfect ring groove to skirt squareness is achieved through our unique "one fixturing" manufacturing method that assures maximum horsepower. Roundwire locks, tool steel wrist pins and pressure balance grooves are included with every set at no additional charge. Note: Compression ratios for 4.6L are calculated at .008" deck clearance, a 8.933" deck height, and a .036" thick compressed head gasket.
 
3 VALVE
Combustion Chamber Piston Ring Sets
Part No. Bore Size Rod Length Stroke Compression Distance
42cc 51cc 52cc
Pistons
Wt / Gms
Piston & Pin
Wt / Gms
Ductile Iron
Top Rings
Premium Steel
Top Rings
  -6.5cc Dish for Stock Rod Length and Stroke
594300C-8 3.552" 5.933" 3.543" 1.220" ----- 9.86 ----- 352 440 46600-8 46600ST-8
594320C-8 3.572" 5.933" 3.543" 1.220" ----- 9.95 ----- 362 450 46620-8 46620ST-8
594330C-8 3.582" 5.933" 3.543" 1.220" ----- 10.00 ----- 367 455 46630-8 46630ST-8
  -14cc Dish for Stock Rod Length and Stroke
594500C-8 3.552" 5.933" 3.543" 1.220" ----- 8.94 ----- 360 448 46600-8 46600ST-8
594520C-8 3.572" 5.933" 3.543" 1.220" ----- 9.03 ----- 370 458 46620-8 46620ST-8
594530C-8 3.582" 5.933" 3.543" 1.220" ----- 9.07 ----- 375 463 46630-8 46630ST-8
594570C-8 3.700" 5.933" 3.543" 1.220" ----- 9.58 ----- 413 501 46670-8 46670ST-8
  -14cc DISH STROKER TURBO SERIES
595500C-8 3.552" 5.850" 3.750" 1.200" ----- 9.41 ----- 375 463 46600-8 46600ST-8
595520C-8 3.572" 5.850" 3.750" 1.200" ----- 9.51 ----- 382 470 46620-8 46620ST-8
595530C-8 3.582" 5.850" 3.750" 1.200" ----- 9.55 ----- 385 473 46630-8 46630ST-8
  -18cc DISH STROKER TURBO SERIES
595570C-8 3.700" 5.850" 3.750" 1.200" ----- 9.64 ----- 421 509 46670-8 46670ST-8
 
2 & 4 VALVE
Combustion Chamber Piston Ring Sets
Part No. Bore Size Rod Length Stroke Compression Distance
42cc 51cc 52cc
Pistons
Wt / Gms
Piston & Pin
Wt / Gms
Ductile Iron
Top Rings
Premium Steel
Top Rings
  Flat Top for Stock Rod Length and Stroke
594000C-8 3.552" 5.933" 3.543" 1.220" 12.65 10.86 10.69 335 423 46600-8 46600ST-8
594020C-8 3.572" 5.933" 3.543" 1.220" 12.78 10.97 10.80 345 433 46620-8 46620ST-8
594030C-8 3.582" 5.933" 3.543" 1.220" 12.85 11.02 10.85 350 438 46630-8 46630ST-8
594070C-8 3.700" 5.933" 3.543" 1.220" 13.55 11.63 11.45 388 476 46670-8 46670ST-8
  Flat Top for Stroker Applications
595000C-8 3.552" 5.850" 3.750" 1.200" 13.33 11.43 11.26 350 438 46600-8 46600ST-8
595020C-8 3.572" 5.850" 3.750" 1.200" 13.47 11.55 11.37 357 445 46620-8 46620ST-8
595030C-8 3.582" 5.850" 3.750" 1.200" 13.54 11.61 11.43 360 448 46630-8 46630ST-8
  11cc Dish for Stock Rod Length and Stroke
594100C-8 3.552" 5.933" 3.543" 1.220" 10.53 9.29 9.18 335 423 46600-8 46600ST-8
594120C-8 3.572" 5.933" 3.543" 1.220" 10.64 9.39 9.27 343 431 46620-8 46620ST-8
594130C-8 3.582" 5.933" 3.543" 1.220" 10.69 9.43 9.31 347 435 46630-8 46630ST-8
  11cc Dish for Stroker Applications
595100C-8 3.552" 5.850" 3.750" 1.200" 11.09 9.78 9.65 346 434 46600-8 46600ST-8
595120C-8 3.572" 5.850" 3.750" 1.200" 11.20 9.88 9.75 355 443 46620-8 46620ST-8
595130C-8 3.582" 5.850" 3.750" 1.200" 11.25 9.92 9.80 358 446 46630-8 46630ST-8
  18cc Spherical Dish for Stock Rod Length and Stroke
594200C-8 3.552" 5.933" 3.543" 1.220" 9.54 8.53 8.44 384 472 46600-8 46600ST-8
594220C-8 3.572" 5.933" 3.543" 1.220" 9.63 8.62 8.52 390 478 46620-8 46620ST-8
594230C-8 3.582" 5.933" 3.543" 1.220" 9.68 8.66 8.56 393 481 46630-8 46630ST-8
594270C-8 3.700" 5.933" 3.543" 1.220" 10.21 9.13 9.03 431 519 46670/td> 46670ST-8
  18cc Spherical Dish for Stroker Applications
595200C-8 3.552" 5.850" 3.750" 1.200" 10.04 8.97 8.87 372 460 46600-8 46600ST-8
595220C-8 3.572" 5.850" 3.750" 1.200" 10.14 9.06 8.96 380 468 46620-8 46620ST-8
595230C-8 3.582" 5.850" 3.750" 1.200" 10.19 9.11 9.00 383 471 46630-8 46630ST-8
595270C-8 3.700" 5.850" 3.750" 1.200" 10.75 9.61 9.50 421 509 46670-8 46670ST-8
  23cc Dish for Stock Rod Length and Stroke
594400C-8 3.552" 5.933" 3.543" 1.220" 8.95 8.07 7.98 351 439 46600-8 46600ST-8
594420C-8 3.572" 5.933" 3.543" 1.220" 9.04 8.15 8.06 359 447 46620-8 46620ST-8
594430C-8 3.582" 5.933" 3.543" 1.220" 9.08 8.19 8.10 363 451 46630-8 46630ST-8
594470C-8 3.700" 5.933" 3.543" 1.220" 9.58 8.64 8.54 401 489 46670-8 46670ST-8
  23cc Dish for Stroker Applications
595400C-8 3.552" 5.850" 3.750" 1.200" 9.41 8.48 8.39 336 424 46600-8 46600ST-8
595420C-8 3.572" 5.850" 3.750" 1.200" 9.51 8.57 8.47 342 430 46620-8 46620ST-8
595430C-8 3.582" 5.850" 3.750" 1.200" 9.55 8.61 8.52 346 434 46630-8 46630ST-8
595470C-8 3.700" 5.850" 3.750" 1.200" 10.08 9.08 8.98 384 472 46670-8 46670ST-8
  28cc Dish for Stroker Applications
595600C-8 3.552" 5.850" 3.750" 1.200" 8.87 8.05 7.97 341 429 46600-8 46600ST-8
595620C-8 3.572" 5.850" 3.750" 1.200" 8.96 8.13 8.05 347 435 46620-8 46620ST-8
595630C-8 3.582" 5.850" 3.750" 1.200" 9.00 8.17 8.09 351 439 46630-8 46630ST-8
595670C-8 3.700" 5.850" 3.750" 1.200" 9.50 8.62 8.53 389 477 46670-8 46670ST-8
 

“STREET MASTER” SERIES FORGED ALUMINUM 18cc SPHERIICAL DISH PISTON
  • Perfect blend of economy and high performance
  • 1.2 mm offset wrist pin location for quiet start-ups. Mimics OEM design
  • Perfect ring groove to skirt squareness
  • Pressure balance groove
  • 2.500" length Premium Chrome Moly pin included with round wire locks
  • Full banded skirt design for increased skirt stability
2, 3, & 4 VALVE
Combustion Chamber Piston Ring Sets
Part No. Bore Size Rod Length Stroke Compression Distance
42cc 51cc 52cc
Pistons
Wt / Gms
Piston & Pin
Wt / Gms
Ductile Iron
Top Rings
Premium Steel
Top Rings
  18cc Spherical Dish for Stock Rod Length and Stroke
494200-8 3.552" 5.933" 3.543" 1.220" 9.54 8.53 8.44 369 457 46600-8 46600ST-8
494220-8 3.572" 5.933" 3.543" 1.220" 9.63 8.62 8.52 376 464 46620-8 46620ST-8
494230-8 3.582" 5.933" 3.543" 1.220" 9.68 8.66 8.56 379 467 46630-8 46630ST-8
 
HIGH PERFORMANCE PISTON RING SETS
Manley rings provide minimal blow-by and increased horsepower while maintaining cooler, cleaner oil resulting in loner engine life. Top Ring: High performance ductile iron with plasma moly in-lay or premium steel with Chrome Nitride face coating. Second Ring: Reverse twist cast iron. Oil Ring: Three piece, standard tension, full oil return.
Ductile Iron
Part No.
Premium Steel
Part No.
Bore Size File Fit/Drop In Ring Widths Oil Ring Type
46600-8 46600ST-8 3.552" File Fit 1.5 mm x 1.5 mm x 3 mm Standard Tension (9-13 lbs.)
----- 46605ST-8 3.557" File Fit 1.5 mm x 1.5 mm x 3 mm Standard Tension (9-13 lbs.)
46620-8 46620ST-8 3.572" File Fit 1.5 mm x 1.5 mm x 3 mm Standard Tension (9-13 lbs.)
46630-8 46630ST-8 3.582" File Fit 1.5 mm x 1.5 mm x 3 mm Standard Tension (9-13 lbs.)
46670-8 46670ST-8 3.700" File Fit 1.5 mm x 1.5 mm x 3 mm Standard Tension (9-13 lbs.)
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