Pontiac 421

Pontiac 421

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With Rings \ Without Rings Show all With Rings \ Without Rings
Crankshaft Stroke Show all Crankshaft Stroke
Connecting Rod Length Show all Connecting Rod Length
Piston Pin Diameter Show all Piston Pin Diameter
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Piston Series Show all Piston Series
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Piston Top Aprox. Comp. Ratio Show all Piston Top Aprox. Comp. Ratio
1-6113-4150 421-428 Pontiac Late 1-FX Series -14cc Late Dish Top Forged Piston Set. 4.150 bore 1-6113-4150 421-428 Pontiac Late 1-FX Series -14cc Late Dish Top Forged Piston Set. 4.150 bore
$669.95
$669.95
421-428 Pontiac Late 1-FX Series 4032 Alloy Comp Hgt: 1.585" -14cc Late Dish Top Pin: .980 Ring Grooves: 1/16-1/16-3/16" Stroke: 4.000" Rod: 6.625" Boost and NOS Ready! (Moderate to High Levels) Aprox Comp Ratio: 72cc-10.35, 78cc-9.79, 85cc-9.22
K1-6113-4125 421-428 Pontiac Late K1-FX Series -14cc Late Dish Top Forged Piston Set. 4.125 bore K1-6113-4125 421-428 Pontiac Late K1-FX Series -14cc Late Dish Top Forged Piston Set. 4.125 bore
$834.95
$834.95
421-428 Late Pontiac K1-FX 4032 Alloy With Rings Comp Hgt: 1.585" -14cc Late Dish Top Pin: .980 Ring Grooves: 1/16-1/16-3/16" Stroke: 4.000" Rod: 6.625" Boost and NOS Ready! (Moderate to High Levels) Aprox Comp Ratio: 72cc-10.25, 78cc-9.70, 85cc-9.14
K1-6113-4120 421-428 Pontiac Late K1-FX Series -14cc Late Dish Top Forged Piston Set. 4.120 bore K1-6113-4120 421-428 Pontiac Late K1-FX Series -14cc Late Dish Top Forged Piston Set. 4.120 bore
$834.95
$834.95
421-428 Late Pontiac K1-FX 4032 Alloy With Rings Comp Hgt: 1.585" -14cc Late Dish Top Pin: .980 Ring Grooves: 1/16-1/16-3/16" Stroke: 4.000" Rod: 6.625" Boost and NOS Ready! (Moderate to High Levels) Aprox Comp Ratio: 72cc-10.23, 78cc-9.68, 85cc-9.12
K1-6110-4094 421 Pontiac Late K1-FX Series -7cc Late Flat Top Forged Piston Set. 4.094 bore K1-6110-4094 421 Pontiac Late K1-FX Series -7cc Late Flat Top Forged Piston Set. 4.094 bore
$834.95
$834.95
421 Late Pontiac K1-FX 4032 Alloy With Rings Comp Hgt: 1.585" -7cc Late Flat Top Pin: .980 Ring Grooves: 1/16-1/16-3/16" Stroke: 4.000" Rod: 6.625" Boost and NOS Ready! (Moderate to High Levels) Aprox Comp Ratio: 72cc-10.84, 78cc-10.21, 85cc-9.57
2-6113-4160 428 Pontiac Late 2-FX Series -14cc Late Dish Top Forged Piston Set. 4.160 bore 2-6113-4160 428 Pontiac Late 2-FX Series -14cc Late Dish Top Forged Piston Set. 4.160 bore
$699.95
$699.95
428 Pontiac Late 2-FX Series 2618 Alloy Comp Hgt: 1.585" -14cc Late Dish Top Pin: .980 Ring Grooves: 1/16-1/16-3/16" Stroke: 4.000" Rod: 6.625" Boost and NOS Ready! (Moderate to High Levels) Aprox Comp Ratio: 72cc-10.39, 78cc-9.83, 85cc-9.26
2-6113-4150 421-428 Pontiac Late 2-FX Series -14cc Late Dish Top Forged Piston Set. 4.150 bore 2-6113-4150 421-428 Pontiac Late 2-FX Series -14cc Late Dish Top Forged Piston Set. 4.150 bore
$699.95
$699.95
421-428 Pontiac Late 2-FX Series 2618 Alloy Comp Hgt: 1.585" -14cc Late Dish Top Pin: .980 Ring Grooves: 1/16-1/16-3/16" Stroke: 4.000" Rod: 6.625" Boost and NOS Ready! (Moderate to High Levels) Aprox Comp Ratio: 72cc-10.35, 78cc-9.79, 85cc-9.22
1-6113-4160 428 Pontiac Late 1-FX Series -14cc Late Dish Top Forged Piston Set. 4.160 bore 1-6113-4160 428 Pontiac Late 1-FX Series -14cc Late Dish Top Forged Piston Set. 4.160 bore
$669.95
$669.95
428 Pontiac Late 1-FX Series 4032 Alloy Comp Hgt: 1.585" -14cc Late Dish Top Pin: .980 Ring Grooves: 1/16-1/16-3/16" Stroke: 4.000" Rod: 6.625" Boost and NOS Ready! (Moderate to High Levels) Aprox Comp Ratio: 72cc-10.39, 78cc-9.83, 85cc-9.26
1-6110-4125 421-428 Pontiac Late 1-FX Series -7cc Late Flat Top Forged Piston Set. 4.125 bore 1-6110-4125 421-428 Pontiac Late 1-FX Series -7cc Late Flat Top Forged Piston Set. 4.125 bore
$669.95
$669.95
421-428 Pontiac Late 1-FX Series 4032 Alloy Comp Hgt: 1.585" -7cc Late Flat Top Pin: .980 Ring Grooves: 1/16-1/16-3/16" Stroke: 4.000" Rod: 6.625" Boost and NOS Ready! (Moderate to High Levels) Aprox Comp Ratio: 72cc-10.99, 78cc-10.35, 85cc-9.70
K3-6113-4180 428 Pontiac Late K3-FX Series -14cc Late Dish Top Forged Piston Set. 4.180 bore K3-6113-4180 428 Pontiac Late K3-FX Series -14cc Late Dish Top Forged Piston Set. 4.180 bore
$1,054.95
$1,054.95
428 Pontiac Late K3-FX 2618 Alloy With Rings Comp Hgt: 1.585" -14cc Late Dish Top Pin: .980 Ring Grooves: 1/16-1/16-3/16" Stroke: 4.000" Rod: 6.625" Forged and Machined in Saint Charles Illinois USA! Boost and NOS Ready! (Moderate to Extreme Levels) Aprox Comp Ratio: 72cc-10.47, 78cc-9.90, 85cc-9.33
K3-6113-4160 428 Pontiac Late K3-FX Series -14cc Late Dish Top Forged Piston Set. 4.160 bore K3-6113-4160 428 Pontiac Late K3-FX Series -14cc Late Dish Top Forged Piston Set. 4.160 bore
$1,054.95
$1,054.95
428 Pontiac Late K3-FX 2618 Alloy With Rings Comp Hgt: 1.585" -14cc Late Dish Top Pin: .980 Ring Grooves: 1/16-1/16-3/16" Stroke: 4.000" Rod: 6.625" Forged and Machined in Saint Charles Illinois USA! Boost and NOS Ready! (Moderate to Extreme Levels) Aprox Comp Ratio: 72cc-10.39, 78cc-9.83, 85cc-9.26
K3-6113-4150 421-428 Pontiac Late K3-FX Series -14cc Late Dish Top Forged Piston Set. 4.150 bore K3-6113-4150 421-428 Pontiac Late K3-FX Series -14cc Late Dish Top Forged Piston Set. 4.150 bore
$1,054.95
$1,054.95
421-428 Pontiac Late K3-FX 2618 Alloy With Rings Comp Hgt: 1.585" -14cc Late Dish Top Pin: .980 Ring Grooves: 1/16-1/16-3/16" Stroke: 4.000" Rod: 6.625" Forged and Machined in Saint Charles Illinois USA! Boost and NOS Ready! (Moderate to Extreme Levels) Aprox Comp Ratio: 72cc-10.35, 78cc-9.79, 85cc-9.22
K3-6113-4125 421-428 Pontiac Late K3-FX Series -14cc Late Dish Top Forged Piston Set. 4.125 bore K3-6113-4125 421-428 Pontiac Late K3-FX Series -14cc Late Dish Top Forged Piston Set. 4.125 bore
$1,054.95
$1,054.95
421-428 Pontiac Late K3-FX 2618 Alloy With Rings Comp Hgt: 1.585" -14cc Late Dish Top Pin: .980 Ring Grooves: 1/16-1/16-3/16" Stroke: 4.000" Rod: 6.625" Forged and Machined in Saint Charles Illinois USA! Boost and NOS Ready! (Moderate to Extreme Levels) Aprox Comp Ratio: 72cc-10.25, 78cc-9.70, 85cc-9.14
K3-6113-4094 421 Pontiac Late K3-FX Series -14cc Late Dish Top Forged Piston Set. 4.094 bore K3-6113-4094 421 Pontiac Late K3-FX Series -14cc Late Dish Top Forged Piston Set. 4.094 bore
$1,054.95
$1,054.95
421 Pontiac Late K3-FX 2618 Alloy With Rings Comp Hgt: 1.585" -14cc Late Dish Top Pin: .980 Ring Grooves: 1/16-1/16-3/16" Stroke: 4.000" Rod: 6.625" Forged and Machined in Saint Charles Illinois USA! Boost and NOS Ready! (Moderate to Extreme Levels) Aprox Comp Ratio: 72cc-10.23, 78cc-9.68, 85cc-9.12
K3-6113-4120 421-428 Pontiac Late K3-FX Series -14cc Late Dish Top Forged Piston Set. 4.120 bore K3-6113-4120 421-428 Pontiac Late K3-FX Series -14cc Late Dish Top Forged Piston Set. 4.120 bore
$1,054.95
$1,054.95
421-428 Pontiac Late K3-FX 2618 Alloy With Rings Comp Hgt: 1.585" -14cc Late Dish Top Pin: .980 Ring Grooves: 1/16-1/16-3/16" Stroke: 4.000" Rod: 6.625" Forged and Machined in Saint Charles Illinois USA! Boost and NOS Ready! (Moderate to Extreme Levels) Aprox Comp Ratio: 72cc-10.23, 78cc-9.68, 85cc-9.12
K3-6110-4180 428 Pontiac Late K3-FX Series -7cc Late Flat Top Forged Piston Set. 4.180 bore K3-6110-4180 428 Pontiac Late K3-FX Series -7cc Late Flat Top Forged Piston Set. 4.180 bore
$1,054.95
$1,054.95
428 Pontiac Late K3-FX 2618 Alloy With Rings Comp Hgt: 1.585" -7cc Late Flat Top Pin: .980 Ring Grooves: 1/16-1/16-3/16" Stroke: 4.000" Rod: 6.625" Forged and Machined in Saint Charles Illinois USA! Boost and NOS Ready! (Moderate to Extreme Levels) Aprox Comp Ratio: 72cc-11.22, 78cc-10.57, 85cc-9.90
K3-6110-4160 428 Pontiac Late K3-FX Series -7cc Late Flat Top Forged Piston Set. 4.160 bore K3-6110-4160 428 Pontiac Late K3-FX Series -7cc Late Flat Top Forged Piston Set. 4.160 bore
$1,054.95
$1,054.95
428 Pontiac Late K3-FX 2618 Alloy With Rings Comp Hgt: 1.585" -7cc Late Flat Top Pin: .980 Ring Grooves: 1/16-1/16-3/16" Stroke: 4.000" Rod: 6.625" Forged and Machined in Saint Charles Illinois USA! Boost and NOS Ready! (Moderate to Extreme Levels) Aprox Comp Ratio: 72cc-11.14, 78cc-10.49, 85cc-9.83