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Exhibit 12.1

PRECISION CASTPARTS CORP.
RATIO OF EARNINGS TO FIXED CHARGES
($000s)

												Nine Months Ended
		Fiscal Years
												December 29, 2002		December 28, 2003
		1999		2000		2001		2002		2003
Earnings before income taxes		$	156.6	$	139.3	$	211.7	$	178.8	$	246.3	$	192.8	$	147.2
Fixed charges:
	Interest and other financial charges		27.2		47.2		81.7		67.3		56.9		43.3		38.7
	Interest capitalized		2.0		1.2		2.3		1.8		1.0		0.8		1.0
	One-third of rental expense (a)		2.2		2.6		2.9		3.7		3.7		2.7		3.1
			31		51		87		73		62		47		43
Adjusted earnings		$	188.0	$	190.3	$	298.6	$	251.6	$	307.9	$	239.6	$	190.0
Ratio of earnings to fixed charges (b)			5.9		3.7		3.4		3.4		5.0		5.1		4.4

(a)

Considered to be representative of interest factor in rental expense.

(b)

Adjusted earnings less interest capitalized divided by fixed charges

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PRECISION CASTPARTS CORP. RATIO OF EARNINGS TO FIXED CHARGES ($000s)