SMALL BLOCK CHEVY
BIG BLOCK CHEVY
FORD
MOPAR
BUICK
NHRA
EXTREME DUTY 23º INV. DOME

These pistons are specially designed for forced induction and nitrous applications. Pistons include .310" pocket depths and precision CNC machined ring grooves that accept 1/16, 1/16, 3/16 rings.

Includes:
Pin #927-2950-15-51S (140g)
Contact reduction grooves
Double Spiro Locks # 927-042-CS
Double Pin Oilers

350 Series
Std Bore: 4.000
Ring package designed for: 1/16, 1/16, 3/16 Rings
 Tech and Installation Tips
 Valve Relief Diagram
Part # Cubic
Inches		 Bore Stroke Rod
Length		 Block
Height		 Compression
Distance
Head Cubic Centimeters
58cc 64cc 76cc
Compression Ratio
Dome
Volume		 Gram
Weight		 Footnote Oversize
170817 383 4.030 3.750 6.000 9.000 1.125 9.3 8.8 8.2 -28.0 430 B 0.030
194887 388 4.060 3.750 6.000 9.000 1.125 9.4 8.9 8.3 -28.0 445 B 0.060
232515 377 4.000 3.750 6.000 9.020 1.145 9.1 8.7 8.1 -28.0 440 B STD
218591 355 4.030 3.500 6.000 9.000 1.250 8.9 8.4 7.6 -26.0 458 A,B 0.030
232513 352 4.000 3.500 6.000 9.020 1.270 8.8 8.3 7.5 -26.0 473 A,B STD
131631 383 4.030 3.750 5.700 9.000 1.425 9.0 8.5 7.8 -31.0 485   0.030
131635 353 4.020 3.480 5.700 9.000 1.560 9.1 8.6 7.8 -22.0 512 A 0.020
131636 355 4.030 3.480 5.700 9.000 1.560 9.2 8.7 7.8 -22.0 515 A 0.030

400 Series
Std Bore: 4.125
Ring package designed for: 1/16, 1/16, 3/16 Rings
Part # Cubic
Inches		 Bore Stroke Rod
Length		 Block
Height		 Compression
Distance
Head Cubic Centimeters
58cc 64cc 76cc
Compression Ratio
Dome
Volume		 Gram
Weight		 Footnote Oversize
242885 400 4.125 3.750 6.000 9.000 1.125 9.6 9.1 8.5 -28.0 459 B STD
170818 407 4.155 3.750 6.000 9.000 1.125 9.7 9.2 8.6 -28.0 476 B 0.030
194888 409 4.165 3.750 6.000 9.000 1.125 9.8 9.2 8.6 -28.0 483 B 0.040
232516 400 4.125 3.750 6.000 9.020 1.145 9.6 9.1 8.2 -28.0 466 B STD
131633 407 4.155 3.750 5.700 9.000 1.425 9.1 8.7 7.8 -36.0 518   0.030
232514 400 4.125 3.750 5.700 9.020 1.445 8.9 8.5 7.8 -36.0 512   STD

Did you know? - we also offer a complete line of pistons for this particular application in our SRP product line? Click here to check them out.
 

- Denotes part # has been issued a new part #. A list referencing old part #s to their new counterparts will be available shortly.

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