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Available Combinations for the VPE Chevrolet 400 Stroker are 4.125, 4.155, 4.165 and 4.185 bore with a 3.750 stroke crankshaft in the conventional 4.125 bore block. Crankshafts are either Cast Steel or 4340 Forged Steel. Crankshaft models feature 2.648 main journals and 2 piece rear main seals. Connecting rods are stroker clearance versions. As always Custom Combinations are no problem.
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Flat Top
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Flat top pistons in a 400 inch Chevrolet engine will generally provide compression ratios in the 12.2:1 range which makes them a good option for engines with aluminum heads where the use of race gas is required. Valve reliefs are configured to work with most types of standard and aluminum cylinder heads and will normally fit camshafts to over .650 valve lift.
Villain - Cast Steel Crankshaft, 4340 Forged Steel I-Beam Rods, Probe SRS Series Forged Pistons. Designed for stock replacement and mild performance applications.
Vigilante - 4340 Forged Steel Crankshaft, 4340 Forged Steel H-Beam Rods, Probe SRS Series Forged Pistons. Designed for Street or Street and Strip performance applications.
Vindicator - 4340 Forged Steel Crankshaft, 4340 Forged Steel H-Beam Rods (w/ARP-2000), Probe PRS Series Forged Pistons. Designed for very serious Street or all out Strip applications.
Vanquisher - 4340 Billet Steel Crankshaft, Premium Connecting Rods (w/ARP-2000), Probe PRS Series Forged Pistons. Designed for very serious Street or all out Strip applications. All components are Made in the USA.
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Dish Top
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Dish top pistons in a 400 cubic inch Chevrolet engine will generally provide compression ratios in the 9.25:1 or 10.25:1 range which makes them a good option for engines using boost and aluminum heads where use of pump gas is required. Valve reliefs are configured to work with most types of standard and aluminum cylinder heads and will normally fit camshafts to over .650 valve lift.
Villain - Cast Steel Crankshaft, 4340 Forged Steel I-Beam Rods, Probe SRS Series Forged Pistons. Designed for stock replacement and mild performance applications.
Vigilante - 4340 Forged Steel Crankshaft, 4340 Forged Steel H-Beam Rods, Probe SRS Series Forged Pistons. Designed for Street or Street and Strip performance applications.
Vindicator - 4340 Forged Steel Crankshaft, 4340 Forged Steel H-Beam Rods (w/ARP-2000), Probe PRS Series Forged Pistons. Designed for very serious Street or all out Strip applications.
Vanquisher - 4340 Billet Steel Crankshaft, Premium Connecting Rods (w/ARP-2000), Probe PRS Series Forged Pistons. Designed for very serious Street or all out Strip applications. All components are Made in the USA.
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Dome Top
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Domed pistons in a 400 inch Chevrolet engine will generally provide compression ratios in the 13.0:1 to 14.0:1 range which makes them a good option for naturally aspirated engines using nitrous and aluminum heads where use of race gas is acceptable. Valve reliefs are configured to work with most types of standard and aluminum cylinder heads and will normally fit camshafts to over .650 valve lift.
Villain - Cast Steel Crankshaft, 4340 Forged Steel I-Beam Rods, Probe SRS Series Forged Pistons. Designed for stock replacement and mild performance applications.
Vigilante - 4340 Forged Steel Crankshaft, 4340 Forged Steel H-Beam Rods, Probe SRS Series Forged Pistons. Designed for Street or Street and Strip performance applications.
Vindicator - 4340 Forged Steel Crankshaft, 4340 Forged Steel H-Beam Rods (w/ARP-2000), Probe PRS Series Forged Pistons. Designed for very serious Street or all out Strip applications.
Vanquisher - 4340 Billet Steel Crankshaft, Premium Connecting Rods (w/ARP-2000), Probe PRS Series Forged Pistons. Designed for very serious Street or all out Strip applications. All components are Made in the USA.
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