Forged PISTONS for Pontiac

 
 

Pontiac Pistons 326/350/389

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FX Pontiac 326-350-389

Available 326 Bore Sizes 3.750 ,3.780

Available 350 Bore Sizes 3.875 ,3.905 ,3.935

Available 389 Bore Sizes 4.080 ,4.100 ,4.120

Add the Bore size to the end of the part # IE. 1-6100-4080 for a 4.080 bore size.

Series CID Stroke Rod Length Pin Height Pin Size Ring Sizes Piston Top

Compression Ratio

Head CC - Comp Ratio

Alloy Pistons Piston and Ring Kits
1-FX 326 3.750" 6.625" 1.710" .980 1/16-1/16-3/16" -7cc Early & Late Flat Top 72cc-8.86, 78cc-8.35, 85cc-7.83 4032 1-6160 K1-6160
2-FX 326 3.750" 6.625" 1.710" .980 1/16-1/16-3/16" -7cc Early & Late Flat Top 72cc-8.86, 78cc-8.35, 85cc-7.83 2618 2-6160 K2-6160
3-FX 326 3.750" 6.625" 1.710" .980 1/16-1/16-3/16" -7cc Early & Late Flat Top 72cc-8.86, 78cc-8.35, 85cc-7.83 2618 3-6160 K3-6160
1-FX 326 3.750" 6.625" 1.710" .980 1/16-1/16-3/16" -14cc Early & Late Dish Top 72cc-8.17, 78cc-7.74, 85cc-7.29 4032 1-6163 K1-6163
2-FX 326 3.750" 6.625" 1.710" .980 1/16-1/16-3/16" -14cc Early & Late Dish Top 72cc-8.17, 78cc-7.74, 85cc-7.29 2618 2-6163 K2-6163
3-FX 326 3.750" 6.625" 1.710" .980 1/16-1/16-3/16" -14cc Early & Late Dish Top 72cc-8.17, 78cc-7.74, 85cc-7.29 2618 3-6163 K3-6163
Series CID Stroke Rod Length Pin Height Pin Size Ring Sizes Piston Top

Compression Ratio

Head CC - Comp Ratio

Alloy Pistons Piston and Ring Kits
1-FX 350 3.750" 6.625" 1.710" .980 1/16-1/16-3/16" -7cc Early & Late Flat Top 72cc-9.36, 78cc-8.82, 85cc-8.27 4032 1-6160 K1-6160
2-FX 350 3.750" 6.625" 1.710" .980 1/16-1/16-3/16" -7cc Early & Late Flat Top 72cc-9.36, 78cc-8.82, 85cc-8.27 2618 2-6160 K2-6160
3-FX 350 3.750" 6.625" 1.710" .980 1/16-1/16-3/16" -7cc Early & Late Flat Top 72cc-9.36, 78cc-8.82, 85cc-8.27 2618 3-6160 K3-6160
1-FX 350 3.750" 6.625" 1.710" .980 1/16-1/16-3/16" -14cc Early & Late Dish Top 72cc-8.74, 78cc-8.27, 85cc-7.79 4032 1-6163 K1-6163
2-FX 350 3.750" 6.625" 1.710" .980 1/16-1/16-3/16" -14cc Early & Late Dish Top 72cc-8.74, 78cc-8.27, 85cc-7.79 2618 2-6163 K2-6163
3-FX 350 3.750" 6.625" 1.710" .980 1/16-1/16-3/16" -14cc Early & Late Dish Top 72cc-8.74, 78cc-8.27, 85cc-7.79 2618 3-6163 K3-6163
Series CID Stroke Rod Length Pin Height Pin Size Ring Sizes Piston Top

Compression Ratio

Head CC - Comp Ratio

Alloy Pistons Piston and Ring Kits
1-FX 389 3.750" 6.625" 1.710" .980 1/16-1/16-3/16" -7cc Late Flat Top 72cc-10.18, 78cc-9.59, 85cc-8.99 4032 1-6100 K1-6100
2-FX 389 3.750" 6.625" 1.710" .980 1/16-1/16-3/16" -7cc Late Flat Top 72cc-10.18, 78cc-9.59, 85cc-8.99 2618 2-6100 K2-6100
3-FX 389 3.750" 6.625" 1.710" .980 1/16-1/16-3/16" -7cc Late Flat Top 72cc-10.18, 78cc-9.59, 85cc-8.99 2618 3-6100 K3-6100
1-FX 389 3.750" 6.625" 1.710" .980 1/16-1/16-3/16" -2cc Early Flat Top 72cc-10.73, 78cc-10.07, 85cc-9.41 4032 1-6102 K1-6102
2-FX 389 3.750" 6.625" 1.710" .980 1/16-1/16-3/16" -2cc Early Flat Top 72cc-10.73, 78cc-10.07, 85cc-9.41 2618 2-6102 K2-6102
3-FX 389 3.750" 6.625" 1.710" .980 1/16-1/16-3/16" -2cc Early Flat Top 72cc-10.73, 78cc-10.07, 85cc-9.41 2618 3-6102 K3-6102
1-FX 389 3.750" 6.625" 1.710" .980 1/16-1/16-3/16" -14cc Late Dish Top 72cc-9.50, 78cc-8.99, 85cc-8.47 4032 1-6103 K1-6103
2-FX 389 3.750" 6.625" 1.710" .980 1/16-1/16-3/16" -14cc Late Dish Top 72cc-9.50, 78cc-8.99, 85cc-8.47 2618 2-6103 K2-6103
3-FX 389 3.750" 6.625" 1.710" .980 1/16-1/16-3/16" -14cc Late Dish Top 72cc-9.50, 78cc-8.99, 85cc-8.47 2618 3-6103 K3-6103
1-FX 389 3.750" 6.625" 1.710" .980 1/16-1/16-3/16" -14cc Early Dish Top 72cc-9.50, 78cc-8.99, 85cc-8.47 4032 1-6105 K1-6105
2-FX 389 3.750" 6.625" 1.710" .980 1/16-1/16-3/16" -14cc Early Dish Top 72cc-9.50, 78cc-8.99, 85cc-8.47 2618 2-6105 K2-6105
3-FX 389 3.750" 6.625" 1.710" .980 1/16-1/16-3/16" -14cc Early Dish Top 72cc-9.50, 78cc-8.99, 85cc-8.47 2618 3-6105 K3-6105

 

Pontiac Pistons 400/ 428/ 466/ 466/ 480

FX Pontiac 400

Available Bore Sizes 4.120, 4.125, 4.150, 4.160, 4.180, 4.190

Add the Bore size to the end of the part # IE. 1820-4065 for a .005 oversize for a Std. bore size.

Series CID Stroke Rod Length Pin Height Pin Size Ring Sizes Piston Top

Compression Ratio

Head CC - Comp Ratio

Alloy Pistons Piston and Ring Kits
1-FX 400 3.750" 6.625" 1.710" .980 1/16-1/16-3/16" -7cc Late Flat Top 72cc-10.34, 78cc-9.74, 85cc-9.13 4032 1-6100 K1-6100
2-FX 400 3.750" 6.625" 1.710" .980 1/16-1/16-3/16" -7cc Late Flat Top 72cc-10.34, 78cc-9.74, 85cc-9.13 2618 2-6100 K2-6100
3-FX 400 3.750" 6.625" 1.710" .980 1/16-1/16-3/16" -7cc Late Flat Top 72cc-10.34, 78cc-9.74, 85cc-9.13 2618 3-6100 K3-6100
1-FX 400 3.750" 6.625" 1.710" .980 1/16-1/16-3/16" -14cc Late Dish Top 72cc-9.65, 78cc-9.13, 85cc-8.60 4032 1-6103 K1-6103
2-FX 400 3.750" 6.625" 1.710" .980 1/16-1/16-3/16" -14cc Late Dish Top 72cc-9.65, 78cc-9.13, 85cc-8.60 2618 2-6103 K2-6103
3-FX 400 3.750" 6.625" 1.710" .980 1/16-1/16-3/16" -14cc Late Dish Top 72cc-9.65, 78cc-9.13, 85cc-8.60 2618 3-6103 K3-6103
1-FX 428 4.000" 6.625" 1.585" .980 1/16-1/16-3/16" -7cc Late Flat Top 72cc-10.96, 78cc-10.32, 85cc-9.68 4032 1-6110 K1-6110
2-FX 428 4.000" 6.625" 1.585" .980 1/16-1/16-3/16" -7cc Late Flat Top 72cc-10.96, 78cc-10.32, 85cc-9.68 2618 2-6110 K2-6110
3-FX 428 4.000" 6.625" 1.585" .980 1/16-1/16-3/16" -7cc Late Flat Top 72cc-10.96, 78cc-10.32, 85cc-9.68 2618 3-6110 K3-6110
1-FX 428 4.000" 6.625" 1.585" .980 1/16-1/16-3/16" -14cc Late Dish Top 72cc-10.22, 78cc-9.68, 85cc-9.11 4032 1-6113 K1-6113
2-FX 428 4.000" 6.625" 1.585" .980 1/16-1/16-3/16" -14cc Late Dish Top 72cc-10.22, 78cc-9.68, 85cc-9.11 2618 2-6113 K2-6113
3-FX 428 4.000" 6.625" 1.585" .980 1/16-1/16-3/16" -14cc Late Dish Top 72cc-10.22, 78cc-9.68, 85cc-9.11 2618 3-6113 K3-6113
1-FX 449 4.210" 6.625" 1.480" .980 1/16-1/16-3/16" -7cc Late Flat Top 72cc-11.48, 78cc-10.81, 85cc-10.13 4032 1-6120 K1-6120
2-FX 449 4.210" 6.625" 1.480" .980 1/16-1/16-3/16" -7cc Late Flat Top 72cc-11.48, 78cc-10.81, 85cc-10.13 2618 2-6120 K2-6120
3-FX 449 4.210" 6.625" 1.480" .980 1/16-1/16-3/16" -7cc Late Flat Top 72cc-11.48, 78cc-10.81, 85cc-10.13 2618 3-6120 K3-6120
1-FX 449 4.210" 6.625" 1.480" .980 1/16-1/16-3/16" -18cc Late Dish Top 72cc-10.32, 78cc-9.78, 85cc-9.23 4032 1-6123 K1-6123
2-FX 449 4.210" 6.625" 1.480" .980 1/16-1/16-3/16" -18cc Late Dish Top 72cc-10.32, 78cc-9.78, 85cc-9.23 2618 2-6123 K2-6123
3-FX 449 4.210" 6.625" 1.480" .980 1/16-1/16-3/16" -18cc Late Dish Top 72cc-10.32, 78cc-9.78, 85cc-9.23 2618 3-6123 K3-6123
1-FX 453 4.250" 6.800" 1.285" .990 1/16-1/16-3/16" -7cc Late Flat Top 72cc-11.58, 78cc-10.91, 85cc-10.22 4032 1-6130 K1-6130
2-FX 453 4.250" 6.800" 1.285" .990 1/16-1/16-3/16" -7cc Late Flat Top 72cc-11.58, 78cc-10.91, 85cc-10.22 2618 2-6130 K2-6130
3-FX 453 4.250" 6.800" 1.285" .990 1/16-1/16-3/16" -7cc Late Flat Top 72cc-11.58, 78cc-10.91, 85cc-10.22 2618 3-6130 K3-6130
1-FX 453 4.250" 6.800" 1.285" .990 1/16-1/16-3/16" -18cc Late Dish Top 72cc-10.40, 78cc-9.87, 85cc-9.31 4032 1-6133 K1-6133
2-FX 453 4.250" 6.800" 1.285" .990 1/16-1/16-3/16" -18cc Late Dish Top 72cc-10.40, 78cc-9.87, 85cc-9.31 2618 2-6133 K2-6133
3-FX 453 4.250" 6.800" 1.285" .990 1/16-1/16-3/16" -18cc Late Dish Top 72cc-10.40, 78cc-9.87, 85cc-9.31 2618 3-6133 K3-6133
1-FX 466 4.375" 6.800" 1.222" .990 1/16-1/16-3/16" -7cc Late Flat Top 72cc-11.89, 78cc-11.20, 85cc-10.49 4032 1-6140 K1-6140
2-FX 466 4.375" 6.800" 1.222" .990 1/16-1/16-3/16" -7cc Late Flat Top 72cc-11.89, 78cc-11.20, 85cc-10.49 2618 2-6140 K2-6140
3-FX 466 4.375" 6.800" 1.222" .990 1/16-1/16-3/16" -7cc Late Flat Top 72cc-11.89, 78cc-11.20, 85cc-10.49 2618 3-6140 K3-6140
1-FX 466 4.375" 6.800" 1.222" .990 1/16-1/16-3/16" -22cc Late Dish Top 72cc-10.30, 78cc-9.79, 85cc-9.26 4032 1-6143 K1-6143
2-FX 466 4.375" 6.800" 1.222" .990 1/16-1/16-3/16" -22cc Late Dish Top 72cc-10.30, 78cc-9.79, 85cc-9.26 2618 2-6143 K2-6143
3-FX 466 4.375" 6.800" 1.222" .990 1/16-1/16-3/16" -22cc Late Dish Top 72cc-10.30, 78cc-9.79, 85cc-9.26 2618 3-6143 K3-6143
1-FX 480 4.500" 6.800" 1.160" .990 1/16-1/16-3/16" -7cc Late Flat Top 72cc-12.21, 78cc-11.49, 85cc-10.76 4032 1-6150 K1-6150
2-FX 480 4.500" 6.800" 1.160" .990 1/16-1/16-3/16" -7cc Late Flat Top 72cc-12.21, 78cc-11.49, 85cc-10.76 2618 2-6150 K2-6150
3-FX 480 4.500" 6.800" 1.160" .990 1/16-1/16-3/16" -7cc Late Flat Top 72cc-12.21, 78cc-11.49, 85cc-10.76 2618 3-6150 K3-6150
1-FX 480 4.500" 6.800" 1.160" .990 1/16-1/16-3/16" -24cc Late Dish Top 72cc-10.39, 78cc-9.88, 85cc-9.35 4032 1-6153 K1-6153
2-FX 480 4.500" 6.800" 1.160" .990 1/16-1/16-3/16" -24cc Late Dish Top 72cc-10.39, 78cc-9.88, 85cc-9.35 2618 2-6153 K2-6153
3-FX 480 4.500" 6.800" 1.160" .990 1/16-1/16-3/16" -24cc Late Dish Top 72cc-10.39, 78cc-9.88, 85cc-9.35 2618 3-6153 K3-6153

 

Pontiac Pistons 455/ 460/ 487

FX Pontiac 460/ 460/ 487

4150 Available Bore Sizes (4.150 = STD) (4.180 = .030) (4.190 = .040)

Add the Bore size to the end of the part # IE. 1820-4065 for a .005 oversize for a Std. bore size.

Series CID Stroke Rod Length Pin Height Pin Size Ring Sizes Piston Top

Compression Ratio

Head CC - Comp Ratio

Alloy Pistons Piston and Ring Kits
1-FX 455 4.210" 6.625" 1.480" .980 1/16-1/16-3/16" -7cc Late Flat Top 72cc-11.62, 80cc-10.73, 87cc-10.07 4032 1-6120 K1-6120
2-FX 455 4.210" 6.625" 1.480" .980 1/16-1/16-3/16" -7cc Late Flat Top 72cc-11.62, 80cc-10.73, 87cc-10.07 2618 2-6120 K2-6120
3-FX 455 4.210" 6.625" 1.480" .980 1/16-1/16-3/16" -7cc Late Flat Top 72cc-11.62, 80cc-10.73, 87cc-10.07 2618 3-6120 K3-6120
1-FX 455 4.210" 6.625" 1.480" .980 1/16-1/16-3/16" -18cc Late Dish Top 72cc-10.44, 80cc-9.73, 87cc-9.20 4032 1-6123 K1-6123
2-FX 455 4.210" 6.625" 1.480" .980 1/16-1/16-3/16" -18cc Late Dish Top 72cc-10.44, 80cc-9.73, 87cc-9.20 2618 2-6123 K2-6123
3-FX 455 4.210" 6.625" 1.480" .980 1/16-1/16-3/16" -18cc Late Dish Top 72cc-10.44, 80cc-9.73, 87cc-9.20 2618 3-6123 K3-6123
1-FX 460 4.250" 6.800" 1.285" .990 1/16-1/16-3/16" -7cc Late Flat Top 72cc-11.72, 78cc-11.04, 85cc-10.34 4032 1-6130 K1-6130
2-FX 460 4.250" 6.800" 1.285" .990 1/16-1/16-3/16" -7cc Late Flat Top 72cc-11.72, 78cc-11.04, 85cc-10.34 2618 2-6130 K2-6130
3-FX 460 4.250" 6.800" 1.285" .990 1/16-1/16-3/16" -7cc Late Flat Top 72cc-11.72, 78cc-11.04, 85cc-10.34 2618 3-6130 K3-6130
1-FX 460 4.250" 6.800" 1.285" .990 1/16-1/16-3/16" -18cc Late Dish Top 72cc-10.53, 80cc-9.82, 87cc-9.27 4032 1-6133 K1-6133
2-FX 460 4.250" 6.800" 1.285" .990 1/16-1/16-3/16" -18cc Late Dish Top 72cc-10.53, 80cc-9.82, 87cc-9.27 2618 2-6133 K2-6133
3-FX 460 4.250" 6.800" 1.285" .990 1/16-1/16-3/16" -18cc Late Dish Top 72cc-10.53, 80cc-9.82, 87cc-9.27 2618 3-6133 K3-6133
1-FX 487 4.500" 6.800" 1.160" .990 1/16-1/16-3/16" -7cc Late Flat Top 72cc-12.35, 78cc-11.63, 85cc-10.89 4032 1-6150 K1-6150
2-FX 487 4.500" 6.800" 1.160" .990 1/16-1/16-3/16" -7cc Late Flat Top 72cc-12.35, 78cc-11.63, 85cc-10.89 2618 2-6150 K2-6150
3-FX 487 4.500" 6.800" 1.160" .990 1/16-1/16-3/16" -7cc Late Flat Top 72cc-12.35, 78cc-11.63, 85cc-10.89 2618 3-6150 K3-6150
1-FX 487 4.500" 6.800" 1.160" .990 1/16-1/16-3/16" -24cc Late Dish Top 72cc-10.51, 80cc-9.84, 87cc-9.32 4032 1-6153 K1-6153
2-FX 487 4.500" 6.800" 1.160" .990 1/16-1/16-3/16" -24cc Late Dish Top 72cc-10.51, 80cc-9.84, 87cc-9.32 2618 2-6153 K2-6153
3-FX 487 4.500" 6.800" 1.160" .990 1/16-1/16-3/16" -24cc Late Dish Top 72cc-10.51, 80cc-9.84, 87cc-9.32 2618 3-6153 K3-6153