Forged PISTONS for Pontiac

 
 

Pontiac Pistons 389

FX Pontiac 389

Available 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 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