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Ford 4.75 Modular Stroker

Ford 4.6 5.4 Modular

NEW! SOHC 2V/TW fits both OEM 2Valve and aftermarket Trick Flow Twisted Wedge.

NEW! SOHC 2V/TW fits both OEM 2Valve and aftermarket Trick Flow Twisted Wedge.

SX-GSXR-FX 4.6 Modular Ford 3.552 STD. Bore. Available Bore Sizes (3.552 = STD.) (3.572 = .020) (3.582 = .030) (3.592 = .040). Add the bore size to the end of the part # IE. 4812X-3572 for a .020 oversize.

GSXR-FX 4.75 Modular Ford 3.552 STD. Bore. Available Bore Sizes (3.552 = STD.) (3.572 = .020) (3.582 = .030) (3.592 = .040). Add the bore size to the end of the part # IE. 4981X-3572 for a .020 oversize.

RING GROOVE 1.5 1.5 3.0

RING GROOVE 1.5 1.5 3.0

CID.

Crank Stroke

Rod C to C

Pin Dia. Crown Type Pin Hgt

Aprox. Comp. Ratio Head Type 44cc 50cc 53cc

GSX Pistons

GSX Piston & Ring Kit

FX Pistons

FX Piston & Ring Kits

CID Crank Stroke

Rod C to C

Pin Dia.

Crown Type

Pin Hgt

Aprox. Comp. Ratio Head Type 44cc 50cc 53cc

GSX Pistons

GSX Piston & Ring Kit

SX Pistons

SX Piston & Ring Kits

FX Pistons

FX Piston & Ring Kits

289

3.649

5.933 0.866

Dish -6cc

1.170 11.57 10.56 10.12 2V/TW 4981X

K4981X

4981

K4981

281 3.543 5.933 0.866 Flat Top -3cc

1.210 12.05 10.90 10.42 2V/TW N/A

N/A

4812X K4812X

4812

K4812

302

3.649

5.933 0.866

Dish -13cc

1.170 10.41 9.60 9.24 2V/TW 4982X

K4982X

4982

K4982

302

3.649

5.933 0.866

Dish -21cc

1.170 9.36 8.71 8.43 2V/TW 4983X

K4983X

4983

K4983

281 3.543 5.933 0.866 Dish -10cc 1.210 10.74 9.84 9.45 2V/TW 4802 281 3.543 5.933 0.866 Dish -18cc 1.210 9.58 8.87 8.56 2V/TW 4804

K4802 4814X K4814X K4804 4816X K4816X

4814 4816

K4814 K4816

302

3.649

5.933 0.866

Dish -8cc

1.170 11.21 10.26 9.85

3V

4991X

K4991X

4991

K4991

281 3.543 5.933 0.866 Dish -21cc 1.210 9.21 8.56 8.27 2V/TW N/A

N/A

4818X K4818X

4818

K4818

302

3.649

5.933 0.866

Dish -16cc

1.170 9.98 9.24 8.92

3V

4992X

K4992X

4992

K4992

281 3.543 5.933 0.866 Flat Top -5cc

1.210 11.64 10.58 10.12 SOHC 3V N/A

N/A

4832X K4832X

4832

K4832

302

3.649

5.933 0.866

Dish -25cc

1.170 8.92 8.33 8.07

3V

4993X

K4993X

4993

K4993

302 302

3.649 3.649

5.933 0.866 5.933 0.866

Dish -7cc Dish -15cc

1.170 11.38 10.41 9.98 1.170 10.12 9.36 9.02

4V 4V

4995X 4996X

K4995X K4996X

4995 4996

K4995 K4996

281 3.543 5.933 0.866 Dish -13cc 1.210 10.27 9.45 9.09 SOHC 3V N/A

N/A

4834X K4834X

4834

K4834

281 3.543 5.933 0.866 Dish -22cc 1.210 9.09 8.46 8.18 SOHC 3V N/A

N/A

4836X K4836X

4836

K4836

302

3.649

5.933 0.866

Dish -24cc

1.170 9.02 8.43 8.16

4V

4997X

K4997X

4997

K4997

281 3.543 5.933 0.866 Flat Top -4cc

1.210 11.84 10.74 10.27 DOHC 4V N/A

N/A

4852X K4852X

4852

K4852

281 3.543 5.933 0.866 Dish -12cc 1.210 10.42 9.58 9.21 DOHC 4V N/A

N/A

4854X K4854X

4854

K4854

281 3.543 5.933 0.866 Dish -21cc 1.210 9.21 8.56 8.27 DOHC 4V N/A

N/A

4856X K4856X

4856

K4856

SX-GSXR-FX 5.4 Modular Ford 3.552 STD. Bore. Available Bore Sizes (3.552 = STD.) (3.572 = .020) (3.582 = .030) (3.592 = .040). Add the bore size to the end of the part # IE. 4890X-3572 for a .020 oversize.

RING GROOVE 1.5 1.5 3.0

CID Crank Stroke

Rod C to C

Pin Dia.

Crown Type

Pin Hgt

Aprox. Comp. Ratio Head Type 44cc 50cc 53cc

GSX Pistons

GSX Piston & Ring Kit

SX Pistons

SX Piston & Ring Kits

FX Pistons

FX Piston & Ring Kits

330 4.165 6.658 0.866 Flat Top 0cc no valve reliefs

1.210 10.47 9.74 9.41

All

N/A

N/A

4890X K4890X

4890

K4890

330 4.165 6.658 0.866 Dish -12cc 1.210 9.41 8.83 8.56

All

N/A

N/A

4891X K4891X

4891

K4891

330 4.165 6.658 0.866 Dish -18cc 1.210 8.83 8.32 8.09

All

4804

K4804 4892X K4892X

4892

K4892

330 4.165 6.658 0.866 Dish -10cc 1.210 9.62 9.01 8.73

All

4802

K4802

N/A

N/A

N/A

N/A

330 4.165 6.658 0.866 Dish -20.5cc

1.220 8.36 7.91 7.70

All

4881

K4881

N/A

N/A

N/A

N/A

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