PISTON RINGS (8),FILE BACK MOLY,4"+.030" 2 9/16" Diameter x 10" Tall Springs WE RECOMMEND CONSULTING THE MEASUREMENT

WE RECOMMEND CONSULTING THE MEASUREMENT CHART BELOW TO INSURE THESE HEADERS WILL FIT YOUR VEHICLE

1978-1987 Lemans

THIS SUBFRAME BLENDS THE BENEFITS OF CURRENT OEM TECHNOLOGY AND AFTERMARKET PERFORMANCE INTO ONE PRODUCT

FITS LAKE STYLE HEADERS WITH 4" COLLECTORS

5" CAPACITY TOUCH SCREEN WITH AUTO-DIMMING

PISTON RINGS (8),FILE BACK MOLY,4"+.030" 2 9/16" Diameter x 10" Tall Springs WE RECOMMEND CONSULTING THE MEASUREMENTFILE BACK MOLY HIGH PERFORMANCE PISTON RINGS SPECS: *4" +. 030" BORE *1 16" TOP RING THICKNESS *1 16" MIDDLE RING THICKNESS *1 8" OIL RING THICKNESS DESIGNED TO STAND UP TO THE RIGORS OF RACING & HIGH PERFORMANCE STREET USE, WHILE PROVIDING LONG LASTING LIFE THESE RINGS FEATURE: *PLASMA COATED, BARREL SHAPED, DUCTILE IRON TOP RINGS THAT SEAL AGAINST BLOW BY WHEN THE PISTON ROCKS IN ITS BORE, *TAPERED SECONDARY RINGS THAT SEAL AGAINST THE OIL CONTROL