Small Block Ford 400M
3970-4000 400M Small Block Ford 400M FX Series -3cc Flat Top 351 Cleveland \ Boss Open & Closed Chamber Forged Piston Set 4.000 inch bore Pin Dia.: 0.975" Comp Height: 1.71"
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from $719.95
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from $719.95
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402 Small Block Ford 400M, FX, Comp Height: 1.71, -3cc Flat Top , PIN: .975", Full-Floating or Press Fit, Ring Groove: 1.2/1.2/3MM, Stroke: 4.000", ROD: 6.58, Approx Comp Ratio: 58cc-12.91, 64cc-11.95, 70cc-11.13
3970-4030 400M Small Block Ford 400M FX Series -3cc Flat Top 351 Cleveland \ Boss Open & Closed Chamber Forged Piston Set 4.030 inch bore Pin Dia.: 0.975" Comp Height: 1.71"
Regular price
from $719.95
Sale price
from $719.95
Regular price
Unit price
/per
408 Small Block Ford 400M, FX, Comp Height: 1.71, -3cc Flat Top , PIN: .975", Full-Floating or Press Fit, Ring Groove: 1.2/1.2/3MM, Stroke: 4.000", ROD: 6.58, Approx Comp Ratio: 58cc-13.06, 64cc-12.09, 70cc-11.28
3970-4040 400M Small Block Ford 400M FX Series -3cc Flat Top 351 Cleveland \ Boss Open & Closed Chamber Forged Piston Set 4.040 inch bore Pin Dia.: 0.975" Comp Height: 1.71"
Regular price
from $719.95
Sale price
from $719.95
Regular price
Unit price
/per
410 Small Block Ford 400M, FX, Comp Height: 1.71, -3cc Flat Top , PIN: .975", Full-Floating or Press Fit, Ring Groove: 1.2/1.2/3MM, Stroke: 4.000", ROD: 6.58, Approx Comp Ratio: 58cc-13.12, 64cc-12.14, 70cc-11.31
3970-4060 400M Small Block Ford 400M FX Series -3cc Flat Top 351 Cleveland \ Boss Open & Closed Chamber Forged Piston Set 4.060 inch bore Pin Dia.: 0.975" Comp Height: 1.71"
Regular price
from $719.95
Sale price
from $719.95
Regular price
Unit price
/per
414 Small Block Ford 400M, FX, Comp Height: 1.71, -3cc Flat Top , PIN: .975", Full-Floating or Press Fit, Ring Groove: 1.2/1.2/3MM, Stroke: 4.000", ROD: 6.58, Approx Comp Ratio: 58cc-13.21, 64cc-12.23, 70cc-11.41
3971-4000 400M Small Block Ford 400M FX Series -13cc Dish Top 351 Cleveland \ Boss Open & Closed Chamber Forged Piston Set 4.000 inch bore Pin Dia.: 0.975" Comp Height: 1.71"
Regular price
from $719.95
Sale price
from $719.95
Regular price
Unit price
/per
402 Small Block Ford 400M, FX, Comp Height: 1.71, -13cc Dish Top, PIN: .975", Full-Floating or Press Fit, Ring Groove: 1.2/1.2/3MM, Stroke: 4.000", ROD: 6.58, Approx Comp Ratio: 58cc-11.38, 64cc-10.66, 70cc-10.02
3971-4030 400M Small Block Ford 400M FX Series -13cc Dish Top 351 Cleveland \ Boss Open & Closed Chamber Forged Piston Set 4.030 inch bore Pin Dia.: 0.975" Comp Height: 1.71"
Regular price
from $719.95
Sale price
from $719.95
Regular price
Unit price
/per
408 Small Block Ford 400M, FX, Comp Height: 1.71, -13cc Dish Top, PIN: .975", Full-Floating or Press Fit, Ring Groove: 1.2/1.2/3MM, Stroke: 4.000", ROD: 6.58, Approx Comp Ratio: 58cc-11.54, 64cc-10.79, 70cc-10.16
3971-4040 400M Small Block Ford 400M FX Series -13cc Dish Top 351 Cleveland \ Boss Open & Closed Chamber Forged Piston Set 4.040 inch bore Pin Dia.: 0.975" Comp Height: 1.71"
Regular price
from $719.95
Sale price
from $719.95
Regular price
Unit price
/per
410 Small Block Ford 400M, FX, Comp Height: 1.71, -13cc Dish Top, PIN: .975", Full-Floating or Press Fit, Ring Groove: 1.2/1.2/3MM, Stroke: 4.000", ROD: 6.58, Approx Comp Ratio: 58cc-11.57, 64cc-10.84, 70cc-10.18
3971-4060 400M Small Block Ford 400M FX Series -13cc Dish Top 351 Cleveland \ Boss Open & Closed Chamber Forged Piston Set 4.060 inch bore Pin Dia.: 0.975" Comp Height: 1.71"
Regular price
from $719.95
Sale price
from $719.95
Regular price
Unit price
/per
414 Small Block Ford 400M, FX, Comp Height: 1.71, -13cc Dish Top, PIN: .975", Full-Floating or Press Fit, Ring Groove: 1.2/1.2/3MM, Stroke: 4.000", ROD: 6.58, Approx Comp Ratio: 58cc-11.67, 64cc-10.91, 70cc-10.27
3975-4000 400M Small Block Ford 400M FX Series +7.5cc Dome Top 351 Cleveland \ Boss Open & Closed Chamber Forged Piston Set 4.000 inch bore Pin Dia.: 0.975" Comp Height: 1.71"
Regular price
from $719.95
Sale price
from $719.95
Regular price
Unit price
/per
402 Small Block Ford 400M, FX, Comp Height: 1.71, +7.5cc Dome Top, PIN: .975", Full-Floating or Press Fit, Ring Groove: 1.2/1.2/3MM, Stroke: 4.000", ROD: 6.58, Approx Comp Ratio: 58cc-15.15, 64cc-13.82, 70cc-12.71
3975-4030 400M Small Block Ford 400M FX Series +7.5cc Dome Top 351 Cleveland \ Boss Open & Closed Chamber Forged Piston Set 4.030 inch bore Pin Dia.: 0.975" Comp Height: 1.71"
Regular price
from $719.95
Sale price
from $719.95
Regular price
Unit price
/per
408 Small Block Ford 400M, FX, Comp Height: 1.71, +7.5cc Dome Top, PIN: .975", Full-Floating or Press Fit, Ring Groove: 1.2/1.2/3MM, Stroke: 4.000", ROD: 6.58, Approx Comp Ratio: 58cc-15.33, 64cc-13.98, 70cc-12.89
3975-4040 400M Small Block Ford 400M FX Series +7.5cc Dome Top 351 Cleveland \ Boss Open & Closed Chamber Forged Piston Set 4.040 inch bore Pin Dia.: 0.975" Comp Height: 1.71"
Regular price
from $719.95
Sale price
from $719.95
Regular price
Unit price
/per
410 Small Block Ford 400M, FX, Comp Height: 1.71, +7.5cc Dome Top, PIN: .975", Full-Floating or Press Fit, Ring Groove: 1.2/1.2/3MM, Stroke: 4.000", ROD: 6.58, Approx Comp Ratio: 58cc-15.4, 64cc-14.04, 70cc-12.92
3975-4060 400M Small Block Ford 400M FX Series +7.5cc Dome Top 351 Cleveland \ Boss Open & Closed Chamber Forged Piston Set 4.060 inch bore Pin Dia.: 0.975" Comp Height: 1.71"
Regular price
from $719.95
Sale price
from $719.95
Regular price
Unit price
/per
414 Small Block Ford 400M, FX, Comp Height: 1.71, +7.5cc Dome Top, PIN: .975", Full-Floating or Press Fit, Ring Groove: 1.2/1.2/3MM, Stroke: 4.000", ROD: 6.58, Approx Comp Ratio: 58cc-15.5, 64cc-14.17, 70cc-13.03
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