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SMALL BLOCK CHEVY
BIG BLOCK CHEVY
FORD
MOPAR
BUICK
NHRA
400 SMALL BLOCK 18º DOME

These pistons feature our newer dome profile to match a wider variety of 18º heads. Designed to fit your high-compression, high horsepower 17º/18º dirt late model engine, these pistons have smooth flowing domes for optimum flame travel and angle milled head compatibility. New valve reliefs will accommodate larger valves and long duration, tight lobe separation cams. These pistons utilize dedicated left and right hand forgings and accept 1/16, 1/16, 3/16 rings.

Includes:
Pin #927-2750-15-51S (130g)
Contact reduction grooves
Heavy Duty single .073 spiro lock (#927-073-AS)
Double pin oilers

400 Series
Std Bore: 4.125
Ring package designed for: 1/16, 1/16, 3/16 Rings

 Tech and Installation Tips
 Valve Relief Diagram
Part # CID Bore Stroke Rod
Lgth.
Block
Ht.
Comp.
Ht.
Head Cubic Centimeters
52cc 55cc 58cc
Compression Ratio
Dome
Vol.
Gram
Wt.
Footnote Oversize Recom.
Ring Set
213103 400 4.125 4.000 6.000 9.000 1.000 15.9 15.2 14.5 2.5 435 S,B STD J10008-4125-5
213104 429 4.130 4.000 6.000 9.000 1.000 15.9 15.2 14.5 2.5 434 S,B .005 J10008-4130-5
213105 430 4.135 4.000 6.000 9.000 1.000 15.9 15.2 14.5 2.5 437 S,B .010 J10008-4135-5
213106 432 4.145 4.000 6.000 9.000 1.000 16.0 15.3 14.6 2.5 440 S,B .020 J10008-4145-5
213107 434 4.155 4.000 6.000 9.000 1.000 16.0 15.3 14.6 2.5 445 S,B .030 J10008-4155-5
213108 434 4.165 4.000 6.000 9.000 1.000 16.1 15.4 14.7 2.5 450 S,B .040 J10008-4165-5
213109 414 4.125 3.875 6.000 9.000 1.062 15.4 14.7 14.1 2.5 448 S,B STD J10008-4125-5
213110 416 4.135 3.875 6.000 9.000 1.062 15.4 14.7 14.1 2.5 452 S,B .010 J10008-4135-5
213111 418 4.145 3.875 6.000 9.000 1.062 15.4 14.7 14.1 2.5 457 S,B .020 J10008-4145-5
213112 420 4.155 3.875 6.000 9.000 1.062 15.6 14.9 14.2 2.5 463 S,B .030 J10008-4155-5
213113 406 4.125 3.800 6.000 9.000 1.100 15.1 14.4 13.8 2.5 454 S,B STD J10008-4125-5
213114 407 4.130 3.800 6.000 9.000 1.100 15.1 14.4 13.8 2.5 457 S,B .005 J10008-4130-5
213115 408 4.135 3.800 6.000 9.000 1.100 15.1 14.4 13.8 2.5 461 S,B .010 J10008-4135-5
213116 410 4.145 3.800 6.000 9.000 1.100 15.1 14.4 13.8 2.5 462 S,B .020 J10008-4145-5
213117 412 4.155 3.800 6.000 9.000 1.100 15.3 14.6 14.0 2.5 470 S,B .030 J10008-4155-5
213118 401 4.125 3.750 6.000 9.000 1.125 14.9 14.3 13.7 2.5 463 S,B STD J10008-4125-5
213119 402 4.130 3.750 6.000 9.000 1.125 14.9 14.3 13.7 2.5 461 S,B .005 J10008-4130-5
213120 403 4.135 3.750 6.000 9.000 1.125 14.9 14.3 13.7 2.5 464 S,B .010 J10008-4135-5
213121 405 4.145 3.750 6.000 9.000 1.125 15.1 14.4 13.8 2.5 469 S,B .020 J10008-4145-5
213122 407 4.155 3.750 6.000 9.000 1.125 15.1 14.4 13.8 2.5 473 S,B .030 J10008-4155-5
213123 409 4.165 3.750 6.000 9.000 1.125 15.2 14.5 13.9 2.5 479 S,B .040 J10008-4165-5
213124 387 4.125 3.625 6.000 9.000 1.187 14.5 13.9 13.3 2.5 468 S,B STD J10008-4125-5
213125 388 4.130 3.625 6.000 9.000 1.187 14.5 13.9 13.3 2.5 470 M,B,S .005 J10008-4130-5
213126 389 4.135 3.625 6.000 9.000 1.187 14.5 13.9 13.3 2.5 471 M,B,S .010 J10008-4135-5
213127 374 4.125 3.500 6.000 9.000 1.250 14.3 13.6 13.1 3.5 487 S STD J10008-4125-5
213128 375 4.130 3.500 6.000 9.000 1.250 14.3 13.6 13.1 3.5 490 M,S .005 J10008-4130-5
213129 376 4.135 3.500 6.000 9.000 1.250 14.3 13.6 13.1 3.5 492 M,S .010 J10008-4135-5

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